Alternative form of bittersweet

especially Alstonia constricta of New South Wales and Queensland. / Simarouba amara, a neotropical tree. / Petalostigma triloculare (long-leaved bitter bark), of Australia.

plural of bitter bark

plural of bitter cucumber

Alternative form of bittercress

plural of bitter vetch

A plant with bitter, lentil-like seeds that are edible with special processing, but are now mostly fed to livestock, Vicia ervilia. / The heath pea (Lathyrus linifolius)

Alternative form of Mishmi bitter

(archaic) The bitter tonic root of a Chinese species of goldthread.

(Judaism) Synonym of maror / Used other than figuratively or idiomatically: see bitter, herb.