Entry 3 senses · 3 variants Webster, 1913 Shrub /shrŭb/ · IPA /ʃɹʌb/ n. n. v. t. 01 n. A liquor composed of vegetable acid, especially lemon juice, and sugar, with spirit to preserve it. 1. A liquor composed of vegetable acid, especially lemon juice, and sugar, with spirit to preserve it. 02 n. A woody plant of less size than a tree, and usually with several stems from the same root. 1. A woody plant of less size than a tree, and usually with several stems from the same root.(Bot.) 03 v. t. To lop; to prune. 1. To lop; to prune.[Obs.]