first base

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first base noun
first base
noun
Learner's definition of FIRST BASE
[singular] baseball
: the base that must be touched first by a base runner
also : the position of the player who defends the area around first base
compare home plate, second base, third base

get to first base

chiefly US, informal
: to make the first step in a course or process that you hope will lead further usually used in negative statements
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