a. Bot. [f. mod.L. amygdalāceæ, f. amygdala almond: see -ACEOUS.] Akin to the almond. (Applied to those plants of the Rosaceous order, which produce stone-fruits; made by some a distinct natural order.)
1852. T. Ross, trans. Humboldts Trav., II. xvi. 52. The milky emulsions that the fruits of the amygdalaceous plants yield.