Entry 2 senses · 2 variants Webster, 1913 Prunella /pro͞on-ĕl'-ə/ · Pru·nel·la · IPA /pruːnˈɛlə/ n. n. 01 n. Angina, or angina pectoris. 1. Angina, or angina pectoris.(Med.) Phrases & compounds Prunella salt — niter fused and cast into little balls. 02 n. A smooth woolen stuff, generally black, used for making shoes; a kind of lasting; -- formerly used also for clergymen's gowns. 1. A smooth woolen stuff, generally black, used for making shoes; a kind of lasting; -- formerly used also for clergymen's gowns.