The front part of the epicranium or head capsule of many insects; generally speaking, the area below or between the antennae and above the clypeus. Typically it lies between the genal or "cheek" areas on either side of the head.
In vertebrates, especially mammals, the forehead; the part of the cranium between the orbits and the vertex.
(of Diptera) The postfrons.
A lower mouthpart of an insect that is formed by the second pair of maxillae united in the middle line.
The lip of a labiate corolla.
A liplike structure; especially one of the two pairs of folds of skin on either side of the vulva.
A liplike part of various invertebrates.
The lip against which pressured air is driven to produce sound in a recorder and in a pipe organ with flue pipes.