la·bi·ate 
(lābē-ĭt, -āt′)
(lābē-ĭt, -āt′)adj.
1. Having lips or liplike parts.
2. Botany
a. Having or characterizing flowers with the corolla divided into liplike parts.
b. Of or belonging to the mint family.
n.
A plant belonging to the mint family.
[Latin labium, lip; see LABIUM + -ATE1. Adj., sense 2b, and noun, from New Latin Labiātae, family name, from Latin labium.]