The Collaborative International Dictionary
Two-lipped
Two-lipped \Two"-lipped`\, a.
Having two lips.
(Bot.) Divided in such a manner as to resemble the two lips when the mouth is more or less open; bilabiate.
Wiktionary
two-lipped
a. 1 Having two lips. 2 (context botany English) divided so that segments resemble the two lips when the mouth is more or less open; bilabiate.
Usage examples of "two-lipped".
The flowers are placed three or four together in the axils of the upper leaves, which often have a purplish tint and are two-lipped, of a bright purplish blue, with small white spots on the lower lip, or more rarely white or pink and open early in April.
They have whitish flowers, with a two-lipped calyx, and also contain a volatile oil, which has similar properties to the Wild Marjoram.