fungo

[fuhng-goh]
noun, plural fun·goes. Baseball.
  1. (in practice sessions) a ball tossed into the air by the batter and struck as it comes down.
  2. a batted ball, especially a fly ball, hit in this manner.
  3. Also called fungo bat. a bat used in hitting fungoes, being lighter, longer, and narrower than an ordinary baseball bat.

Origin of fungo

An Americanism dating back to 1865–70; of obscure origin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Word Origin and History for fungo
n.

1867, baseball slang, perhaps from dialectal fonge "catch," a relic of Old English fon "seize" (see fang), or possibly from the German cognate fangen. Not in OED 2nd ed. (1989).

Online Etymology Dictionary, © 2010 Douglas Harper