1680s, in sports (originally tennis), "act of the first player in striking the ball, or the style in which the ball is delivered," from serve (v.). Service in the same sense is attested from 1610s.
"main seating for spectators at an outdoor event," 1761 (two words), from grand (adj.) + stand (n.). The verb meaning "to show off" is student slang from 1895, from grandstand player, attested in baseball slang from 1888.
It's little things of this sort which makes the 'grand stand player.' They make impossible catches, and when they get the ball they roll all over the field. [M.J. Kelly, "Play Ball," 1888]
Compare British gallery hit (1882) "showy play by a batsman in cricket, 'intended to gain applause from uncritical spectators'" [OED]. Related: grandstanding.
1520s, "string or wire on which documents are strung," from French file "a row" (15c.), noun derived from filer "string documents; spin thread" (see file (v.1)). The literal sense explains why from the beginning until recently things were generally on file (or upon file). The meaning "collection of papers systematically arranged for ready reference" is from 1620s; computer sense is from 1954. The sense "row of persons or things one behind another" (1590s) is originally military, from the French verb in the sense of "march in file." Meaning "line of squares on a chessboard running directly from player to player" is from 1610s.
1722, "one who pitches" in any sense, agent noun from pitch (v.1). Originally of one tossing hay into a wagon, etc. In ball games, "player who serves the ball to the batsman," by 1845.
"episodic series of spoken-word digital audio files that can be downloaded to a personal device and listened to at leisure," 2004, noun and verb, from pod-, from iPod, brand of portable media player, + second element abstracted from broadcast. Related: Podcasting.
type of defensive opening in chess, 1935, in reference to Aron Nimzowitsch (1886-1935), Latvian-born Jewish chess genius who popularized a variation of the Indian defense (1884) attributed to Indian chess player Moheschunder Bannerjee.