/ Dictionary / Index A apical: Meaning and Definition of Find definitions for: a•pi•cal Pronunciation: (ā'pi-kul, ap'i-), [key] — adj. of, at, or forming the apex. (of a speech sound) articulated principally with the aid of the tip of the tongue, as t or d. —n. an apical sound. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: apical (Thesaurus) apiary apical dominance Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language