Key: "S:" = Show Synset (semantic) relations, "W:" = Show Word (lexical) relations
Display options for sense: (gloss) "an example sentence"
Noun
S: (n) first base (the base that must be touched first by a base runner in baseball)
S: (n) first base, first (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))
S: (n) first base (the initial stage in accomplishing something) "we didn't get to first base with that approach"