Acerose
Pronunciation : Ac"er*ose`
Part of Speech : a.
Etymology : [(a) L. acerosus chaffy, fr. acus, gen. aceris, chaff; (b) as if fr. L. acus needle: cf. F. ac?reux.] (Bot.) (a) Having the nature of chaff; chaffy. (b) Needle-shaped, having a sharp, rigid point, as the leaf of the pine.
Source : Webster's Unabridged Dictionary, 1913