(anatomy) A bone in the base of the lower jaw of many birds, reptiles, and fishes.

Relating or pertaining to an angle, or angles.

Having an angle or angles; forming an angle or corner.

Sharp-cornered; pointed.

Measured by an angle.

Lean, lank.

Ungraceful; lacking grace.

(figuratively) Sharp and stiff in character.

(organic chemistry) Composed of three or more rings attached to a single carbon atom (the rings not all being in the same plane).