/ Dictionary / Index B baseman: Meaning and Definition of Find definitions for: base•man Pronunciation: (bās'mun), [key] — pl. -men. a first, second, or third baseman. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Basel-Stadt base map Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language