/ Dictionary / Index S sea anemone: Meaning and Definition of Find definitions for: sea' anem"one Pronunciation: [key] any sedentary marine animal of the phylum Coelenterata, having a columnar body and one or more circles of tentacles surrounding the mouth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sea anchor sea bag Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language