| Noun | 1. | ballplayer - an athlete who plays baseballbaseball, baseball game, ball - a ball game played with a bat and ball between two teams of 9 players; teams take turns at bat trying to score run; "he played baseball in high school"; "there was a baseball game on every empy lot"; "there was a desire for National League ball in the area"; "play ball!" base runner, runner - a baseball player on the team at bat who is on base (or attempting to reach a base) fielder - a member of the baseball team that is in the field instead of at bat little leaguer - a player between 8 and 12 years of age who is a member of a little-league team hurler, pitcher, twirler - (baseball) the person who does the pitching; "our pitcher has a sore arm" utility man - a baseball player valued for the ability to play at several positions | |