/ Dictionary / Index A amicus: Meaning and Definition of Find definitions for: a•mi•cus Pronunciation: (u-mī'kus, u-mē'-), [key] — adj. Law. of, pertaining to, or representing an amicus curiae: The church stated its official position in an amicus brief. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Amici prism amicus curiae Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language