Breadcrumb Home > Dictionary Cite Meaning of coated pit Find definitions for: coat'ed pit' Pronunciation: [key] — Cell Biol. Cell Biol. a clathrin-lined depression in the outer surface of a cell membrane, formed of receptors and their specific ligands, that becomes a coated vesicle upon endocytosis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. coated coated vesicle Related Content Daily Word Quiz: polemic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language