Definify.com

Webster 1913 Edition

Adj.

[L.

acerbus

, fr.

acer

sharp: cf. F.

acerbe

. See

Sour, bitter, and harsh to the taste, as unripe fruit; sharp and harsh.

Adj.

[L. acerbus; G. herbe, harsh, sour, tart, bitter, rough, whence herbst autumn, herbstzeit, harvest time. See Harvest.]

Sour, bitter, and harsh to the taste; sour, with astringency or roughness; a quality of unripe fruits.