lip (redirected from lip retractor)

lip

1. Anatomy

a. either of the two fleshy folds surrounding the mouth, playing an important role in the production of speech sounds, retaining food in the mouth, etc.

b. (as modifier): lip salve

2. the corresponding part in animals, esp mammals

3. a nontechnical word for labium and labellum (sense 1)

4. the embouchure and control in the lips needed to blow wind and brass instruments

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lip [lip]

(anatomy)

A fleshy fold above and below the entrance to the mouth of mammals.

(civil engineering)

A parapet placed on the downstream margin of a millrace or apron in order to minimize scouring of the river bottom.

(design engineering)

Cutting edge of a fluted drill formed by the intersection of the flute and the lip clearance angle, and extending from the chisel edge at the web to the circumference.

(medicine)

The margin of an open wound.

(science and technology)

The edge of a hollow cavity or container.

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lip

1. A rounded overhanging edge or member.

2.See lip strike.