Labial

lā′bi-al, adj. pertaining to the lips: formed by the lips.— n. a sound formed by the lips: a letter representing a sound formed either by both the lips, or by the upper lip and under teeth— p , b , m , f , v .— v.t. Lā′bialise .— adv. Lā′bially .— n.pl. Labiā′tæ , a natural order of gamopetalous plants, the mint family having four-cornered stems and opposite branches.— adjs. Lā′biate , -d ( bot. ), having two unequal divisions, as in the monopetalous corolla of the mints.— adj. and n. Labioden′tal , of a sound pronounced both by the lips and teeth: a letter representing such ( f , v .).— n. Lā′bium , a lip or lip-like part:— pl. Lā′bia . [Fr.,—L. labium , labrum , a lip.]