Webster's Revised Unabridged Dictionary · 1913

Prunella

Prunella , noun

[New Latin, perhaps from German braune quinsy, croup.]

(a)
(Medicine) Angina, or angina pectoris.
(b)
(Medicine) Thrush.
Collocations (1)
Prunella salt (Old Chemistry) , niter fused and cast into little balls.

Prunella , noun

[French prunelle, probably so called from its color resembling that of prunes. See Prune, n.]

A smooth woolen stuff, generally black, used for making shoes; a kind of lasting; -- formerly used also for clergymen's gowns.

Also: Prunello