(organic chemistry) The compound with the formula CH₃CH₂COOH, a naturally occurring carboxylic acid with a pungent odor.

(anatomy) A smooth muscle that bridges the gap between the free ends of C-shaped cartilages at the posterior border of the trachea, adjacent to the oesophagus, and allows air to be expelled forcefu...

(intransitive) To gleam, have luster. / (transitive) To give luster, distinguish. / (transitive) To give a coating or other treatment to impart physical luster.

A surname.