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vb. To labialize.


 - adj. (Bot.) (a) Having the limb of a tubular corolla or calyx divided into two unequal parts, one projecting over the other like the lips of a mouth, as in the snapdragon, sage, and catnip. (b) Belonging to a natural order of plants of which the mint, sage, and catnip are examples. They are mostly aromatic herbs. - n. (Bot.) A plant of the order Labiatæ.