/ Dictionary / Index L lorica: Meaning and Definition of Find definitions for: lo•ri•ca Pronunciation: (lu-rī'ku, lô-, lō-), [key] — pl. -cae a hard protective case or sheath, as the protective coverings secreted by certain protists. a cuirass or corselet, originally of leather. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lorica (Thesaurus) lorgnon loricate Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language