any plant of the family Lamiaceae (formerly Labiatae), having square stems, aromatic leaves, and a two-lipped corolla: includes mint, thyme, sage, rosemary, etc
adjective
2.
of, relating to, or belonging to the family Lamiaceae
Word origin
C18: from New Latin labiātus, from Latin labium lip
labiate in American English
(ˈleɪbiɪt; ˈleɪbiˌeɪt)
adjective
1.
formed or functioning like a lip
2.
having a lip or lips; lipped
3. Botany
a.
having the calyx or corolla so divided that one part overlaps the other like a lip