Definition of "preload"

preload

verb
third-person singular simple present preloads, present participle preloading, simple past and past participle preloaded
1. (transitive) To load in advance (used especially in reference to software installed on a computer prior to sale).
2. (intransitive, Britain, slang) To drink (cheaper) alcohol at home before going out socially.
noun
countable and uncountable, plural preloads
1. (anatomy) The end diastolic pressure that stretches the right or left ventricle of the heart to its greatest geometric dimensions under variable physiologic demand.
2. (engineering) The internal application of stress to certain mechanical systems.
  Quotations
  The preload itself should be tightened gradually. Many older threadless headsets suspend their preload bolts within soft plastic caps; they sink right through easily enough.
  2008, Sam Tracy, Roadside Bicycle Repair, Fulcrum Publishing, page 55