lip
Pronunciation: /lɪp/
noun
- 1either of the two fleshy parts which form the upper and lower edges of the opening of the mouth: he kissed her on the lips
- (lips) used to refer to a person’s speech or to current topics of conversation: downsizing is on everyone’s lips at the moment
- another term for labium (sense 1), labium (sense 2).
verb ( lips, lipping, lipped)

Phrases
-
curl one's lip
- raise a corner of one’s upper lip to show contempt; sneer.
-
lick one's lips
- look forward to something with relish.
-
my (or his etc.) lips are sealed
- see seal1.
-
pass one's lips
- be eaten, drunk, or spoken: not a drop of alcohol had passed her lips
-
pay lip service to
- express approval of or support for (something) insincerely or without taking any significant action: they pay lip service to equality but they don’t want to do anything about it

Origin:
Old English lippa, of Germanic origin; related to Dutch lip and German Lippe, from an Indo-European root shared by Latin labia, labra 'lips'