LA'BIATE, LA'BIATED, adjective [from Latin labium, lip.] In botany, a labiate corol is irregular, monopetalous, with two lips, or monopetalous, consisting of a narrow tube with a wide mouth, divided into two or more segments arranged in two opposite divisions or lips. a labiate flower has a labiate corol.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI