Definition of "rod"

rod

/ɹɒd/

noun
plural rods
1. A straight, round stick, shaft, bar, cane, or staff.
2. A longitudinal pole used for forming part of a framework such as an awning or tent.
3. (fishing) A long slender usually tapering pole used for angling; fishing rod.
4. A stick, pole, or bundle of switches or twigs (such as a birch), used for personal defense or to administer corporal punishment by whipping.
  Quotations
  So was I brought up: they tell mee, that in all my youth, I never felt rod [translating verges] but twice, and that very lightly.
  1603, Michel de Montaigne, chapter 8, in John Florio, transl., The Essayes […], book II, London: […] Val[entine] Simmes for Edward Blount […]
5. An implement resembling and/or supplanting a rod (particularly a cane) that is used for corporal punishment, and metonymically called the rod, regardless of its actual shape and composition.
6. A stick used to measure distance, by using its established length or task-specific temporary marks along its length, or by dint of specific graduated marks.
7. (archaic) A unit of length equal to 1 pole, a perch, 1⁄4 chain, 5+1⁄2 yards, 16+1⁄2 feet, or exactly 5.0292 meters (these being all equivalent).
  Quotations
  ‘And this thicket, so full of a natural art, was in the immediate vicinity, within a few rods, of the dwelling of Madame Deluc, whose boys were in the habit of closely examining the shrubberies about them in search of the bark of the sassafras.’
  1842, Edgar Allan Poe, The Mystery of Marie Rogêt
  In one of the villages I saw the next summer a cow tethered by a rope six rods long […].
  1865, Henry David Thoreau, Cape Cod‎
  A few rods farther led him past the old black Presbyterian church, with its square tower, embowered in a stately grove; past the Catholic church, with its many crosses, and a painted wooden figure of St. James in a recess beneath the gable; and past the old Jefferson House, once the leading hotel of the town, in front of which political meetings had been held, and political speeches made, and political hard cider drunk, in the days of "Tippecanoe and Tyler too."
  1900, Charles W[addell] Chesnutt, chapter I, in The House Behind the Cedars, Boston, Mass., New York, N.Y.: Houghton, Mifflin and Company […]
  the valley is forty to sixty rods wide
  1924, Edward A. Ross, “Pocketed Americans”, in World Drift, New York, London: The Century Co., published 1928, page 68
8. (US) engineer's or surveyor's rod commonly is eight or ten feet long and often designed to extend higher. In former times a surveyor's rod often was a single wooden pole or composed of multiple sectioned and socketed pieces, and besides serving as a sighting target was used to measure distance on the ground horizontally, hence for convenience was of one rod or pole in length, that is, 5+1⁄2 yards.
9. (archaic) A unit of area equal to a square rod, 30+1⁄4 square yards or 1⁄160 acre.
10. A straight bar that unites moving parts of a machine, for holding parts together as a connecting rod or for transferring power as a driveshaft.
11. (anatomy) A rod cell: a rod-shaped cell in the eye that is sensitive to light.
12. (biology) Any of a number of long, slender microorganisms.
13. (chemistry) A stirring rod: a glass rod, typically about 6 inches to 1 foot long and 1⁄8 to 1⁄4 inch in diameter that can be used to stir liquids in flasks or beakers.
14. (slang) A pistol; a gun.
  Quotations
  One of them strode to his side and ran experienced fingers through his clothes. "No rod," he reported, "where's the jewelry?"
  1916 August, The Electrical Experimenter, New York, page 249, column 1
15. (slang, vulgar) The penis.
  Quotations
  [I'm gonna] […] throw some vaseline right in the crack a your ass, then I'm gonna shove my rod in your open hole and try to pacify your ornery soul.
  2004, Bruce Jackson, Get Your Ass in the Water and Swim Like Me
16. (slang) A hot rod, an automobile or other passenger motor vehicle modified to run faster and often with exterior cosmetic alterations, especially one based originally on a pre-1940s model or (currently) denoting any older vehicle thus modified.
17. (ufology) A rod-shaped object that appears in photographs or videos traveling at high speed, not seen by the person recording the event, often associated with extraterrestrial entities.
  Quotations
  These cylindrical rods fly through the air at incredible speeds and can only be picked up by high-speed cameras.
  2000, Jack Barranger, Paul Tice, Mysteries Explored: The Search for Human Origins, Ufos, and Religious Beginnings, Book Three, p.37
  During one such broadcast in 1997, the esteemed radio host bellowed, “I got a fax earlier today from MUFON (Mutual UFO Network) in Arizona and they said what you think are rods are actually insects!”
  2009, Barry Conrad, An Unknown Encounter: A True Account of the San Pedro Haunting, Dorrance Publishing, pages 129–130
  He tells of a home video showing a rod flying into the open mouth of a girl singing at a wedding.
  2010, Deena West Budd, The Weiser Field Guide to Cryptozoology: Werewolves, Dragons, Skyfish, Lizard Men, and Other Fascinating Creatures Real and Mysterious, Weiser Books, page 15
18. (mathematics) A Cuisenaire rod.
19. (rail transport) A coupling rod or connecting rod, which links the driving wheels of a steam locomotive, and some diesel shunters and early electric locomotives.
  Quotations
  In the early days troubles were experienced with oscillation from the rod drive and with the transformers, but were overcome later, and these machines performed useful service until superseded by more modern locomotives less costly in maintenance.
  1960 December, Cecil J. Allen, “Operating a mountain main line: the Bern-Lötschberg-Simplon: Part One”, in Trains Illustrated, page 743
verb
third-person singular simple present rods, present participle rodding, simple past and past participle rodded
1. (construction) To reinforce concrete with metal rods.
2. (transitive) To furnish with rods, especially lightning rods.
3. (slang, vulgar, transitive) To penetrate sexually.
  Quotations
  On impulse he moved around to the opposite side of the couple, in the direction which Grace's broad buttocks were pointed, for a full view of the big boned woman's back side. Now Grace wouldn't mind one iota if he rodded her from the rear.
  1968, David Lynn, Bull nuts
4. (slang) To hot rod.
  Quotations
  There were three clear sets, more than what you might expect at Heartbreak Point, given all the juvies rodding in and out of there with their girlfriends.
  2007, Dana Stabenow, A Deeper Sleep, page 45