/ Dictionary / Index C Cook Inlet: Meaning and Definition of Find definitions for: Cook' In'let Pronunciation: [key] an inlet of the Gulf of Alaska. 150 mi. (240 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cooking Cook Islands Related Content Daily Word Quiz: fresco Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language