lip

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Anatomy Either of two fleshy folds that surround the opening of the mouth.
2. n. A structure or part that encircles or bounds an orifice, as:
3. n. Anatomy A labium.
4. n. The margin of flesh around a wound.
5. n. Either of the margins of the aperture of a gastropod shell.
6. n. A rim, as of a vessel, bell, or crater.
7. n. Botany One of the two divisions of a bilabiate corolla or calyx, as in the snapdragon, or the modified upper petal of an orchid flower.
8. n. The tip of a pouring spout, as on a pitcher.
9. n. Slang Insolent talk.
10. v. To touch the lips to.
11. v. To kiss.
12. v. To utter.
13. v. To lap or splash against.
14. v. Sports To hit a golf ball so that it touches the edge of (the hole) without dropping in.

Century Dictionary and Cyclopedia

1. n. One of the two edges or borders of the mouth; one of the two fleshy or muscular parts composing the opening of the mouth in man and many other animals, and covering the teeth.
2. n. plural Figuratively, the organs of speech as represented by the lips; speech or utterance as passing between the lips and aided by them.
3. n. Impudent or abusive talk.
4. n. Anything resembling a lip in position or relation; the edge or border of anything; a margin: as, the lip of a vessel; the lips of a wound.
5. n. In botany: Either of the divisions of a bilabiate corolla. The two are distinguished as upper (the superior or posterior, next the axis) and lower (the inferior or anterior, away from the axis).
6. n. In orchids, one of the petals differing from the other two in shape. It is really the upper, but by a half-twist of the ovary has become as if anterior or lower.
7. n. In zoology, any lip-like part or organ. See labium and labrum for technical usages.
8. n. In a lip-auger, the blade at the end which cuts the chip after it has been circumscribed by the spur.
9. n. In a turbine water-wheel, a rim which closes the joint between the barrel and the curb.
10. n. In a vehicle, a projecting part of the bolster; a cuttoo-plate.
11. n. In organ-building, one of the flat vertical surfaces above or below the mouth of a flue-pipe, called respectively the upper lip and the lower lip. The upper lip is always sharp-edged, and the current of air in the pipe is so directed against it as to be thrown into vibration. See pipe and organ.
12. n. In music, the power or facility of adjusting one's lips to the mouthpiece of a metal wind-instrument so as to produce tones; embouchure. Since the pitch and quality of tones produced upon such instruments depend upon the strength, endurance, and flexibility of the player's lips, the term is used in a general sense to indicate his method and style.
13. To touch with the lip or lips, as in kissing; reach with the lip or border.
14. To utter with the lips; speak.
15. To notch, as the edge of a sword or knife.
16. In music, to apply one's lips to the mouthpiece of a metal wind-instrument so as to produce tones; also, to use one's lips in some particular manner: as, to lip well or badly.
17. n. In zoology: In the Blastoidea, one of the distal ends of the radial sinuses.
18. n. In the Gastropoda, the outer or thickened inner margin of the aperture of the shell.
19. n. In metallurgy, the part of a ladle or forehearth over which the metal flows.
20. In machinery, to flange; turn over a lip on (a piece of sheet-metal).
21. To lap; touch the edge of (anything) with a slight rippling sound.
22. To project in the form of abroad tab or lip.
23. To have an irregularity of the surface caused by overlapping of molds: said of a casting.

Wiktionary

1. n. countable Either of the two fleshy protrusions around the opening of the mouth.
2. n. countable A part of the body that resembles a lip, such as the edge of a wound or the labia.
3. n. countable The rim of an open container.
4. n. slang, uncountable backtalk, verbal impertinence.
5. v. To touch with the lips, notably kiss or lick, lap the lips against something
6. v. To utter verbally
7. v. To simulate speech merely by lip-movement, as suffices for a lip-reader
8. v. sports to make a golf ball hit the lip of the cup, without dropping in

GNU Webster's 1913

1. n. One of the two fleshy folds which surround the orifice of the mouth in man and many other animals. In man the lips are organs of speech essential to certain articulations. Hence, by a figure they denote the mouth, or all the organs of speech, and sometimes speech itself.
2. n. An edge of an opening; a thin projecting part of anything; a kind of short open spout.
3. n. The sharp cutting edge on the end of an auger.
4. n. One of the two opposite divisions of a labiate corolla. The odd and peculiar petal in the Orchis family. See Orchidaceous.
5. n. (Zoöl.) One of the edges of the aperture of a univalve shell.
6. n. Slang Impudent or abusive talk.
7. v. To touch with the lips; to put the lips to; hence, to kiss.
8. v. rare To utter; to speak.
9. v. obsolete To clip; to trim.

WordNet 3.0

1. n. either the outer margin or the inner margin of the aperture of a gastropod's shell
2. n. (botany) either of the two parts of a bilabiate corolla or calyx
3. n. an impudent or insolent rejoinder
4. n. either of two fleshy folds of tissue that surround the mouth and play a role in speaking
5. n. the top edge of a vessel or other container