Definition of "leaper"

leaper

noun
plural leapers
1. One who leaps.
  Quotations
  […] I read in the Bulletin about some mad joker breaking into the little kangaroo and koala zoo in the suburbs and slaughtering seven adult leapers and three joeys.
  1980, Anthony Burgess, chapter 39, in Earthly Powers‎, New York: Avon, page 299
  In the winter—God knows why!—he liked basketball […] He played only in pickup games, to be sure—he could never have played on any of the teams—but he played with enthusiasm; he was quite a leaper, he had a jump shot that elevated him almost to eye level with the other players […]
  1989, John Irving, chapter 6, in A Prayer for Owen Meany‎, New York: William Morrow, page 271
2. A kind of hooked instrument for untwisting old cordage.
3. (chess) A piece, like the knight, which moves a fixed distance, and ignores pieces in the way.
4. Synonym of jumper (“person who attempts suicide by jumping from a height”)
5. A person whose birthday falls on 29 February, and thus only occurs in leap years.
  Quotations
  I'm sick of getting coloring books and dollies for my birthdays, and other leapers are just as exasperated by their juvenile gifts. Another question we always get is, “When do you celebrate your birthday?” On February 29th, of course.
  2003, Julietta Appleton, Clothing Optional: Sassy Essays from My First 50 Years, page 2