Base and First base

Base noun - An immaterial thing upon which something else rests.

First base and base are semantically related. In some cases you can replace phrase "First base" with "Base", this terms are similar.

Nearby Words: basic, basal, based, baseline, baseball

First base noun - The base that must be touched first by a base runner in baseball.

Base and first base are semantically related. Sometimes you can use "Base" instead a noun phrase "First base".