Noun
the fielding position of the player on a baseball team who is stationed at first of the bases in the infield (counting counterclockwise from home plate)
the initial stage in accomplishing something
the base that must be touched first by a base runner in baseball
Source: WordNetwe didn't get to first base with that approach Source: Internet
A batter who hits the ball into the field of play must drop the bat and begin running toward first base, at which point the player is referred to as a runner (or, until the play is over, a batter-runner). Source: Internet
A batter-runner who reaches first base without being put out (see below) is said to be safe and is now on base. Source: Internet
A passed ball may be scored when a runner on first, second, or third base reaches the next base on a bobble or missed catch by the catcher, or when the batter-runner reaches first base on an uncaught strike three (see also Strikeout ). Source: Internet
A runner on first base must attempt to advance if a ball lands in play. Source: Internet
A player bats at home plate and must proceed counterclockwise to first base, second base, third base, and back home in order to score a run. Source: Internet