Webster’s Revised Unabridged Dictionary · 1913
Shrub
Shrub (shrŭb), n. [Ar. shirb, shurb, a drink, beverage, fr. shariba to drink. Cf. Sirup, Sherbet.] A liquor composed of vegetable acid, especially lemon juice, and sugar, with spirit to preserve it.
Shrub, n. [OE. schrob, AS. scrob, scrobb; akin to Norw. skrubba the dwarf cornel tree.] (Bot.) A woody plant of less size than a tree, and usually with several stems from the same root.
Shrub, v. t. To lop; to prune. [Obs.] Anderson.