/ Dictionary / Index C Cockcroft: Meaning and Definition of Find definitions for: Cock•croft Pronunciation: (kok'krôft, -kroft), [key] 1897–1967, English physicist: Nobel prize 1951. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cockcroft (Thesaurus) cockchafer cockcrow Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language