the GNU version of the Collaborative International Dictionary of English
adj. Having a lip or lips; having a raised or rounded edge resembling the lip; -- often used in composition
adj. Labiate.
The Century Dictionary and Cyclopedia
Having lips; also, having a raised or rounded edge resembling a lip; having lips of a kind specified: often used in composition.
In botany, same as labiate.
In ichthyology, specifically, thick-lipped; labroid: applied to the wrasse or rockfish family.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. having a lip or lips
Word Usage
"You will hear Peter Mandelson ignoring the questions about whether he discussed aluminium tariffs with Oleg Deripaska and you will see that famous Mandelson thin lipped smile."