/ Dictionary / Index B bathing cap: Meaning and Definition of Find definitions for: bath'ing cap" Pronunciation: (bā'ing), [key] a tight-fitting elastic cap, usually of rubber, worn to keep the hair dry while swimming and bathing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bathing beauty bathing-machine Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language