n. A narrow fold in the edge of a piece of textile material, made to prevent it from raveling.n. Edge; border; margin.n. In architecture, the projecting spiral of the Ionic capital.To form a hem or border to; fold and sew down the edge of: as, to hem an apron.To border; edge.To inclose; circumscribe; limit or confine by an environment of any kind: with in, about, or around.An interjectional utterance, a sort of voluntary half-cough, intended to attract the attention of a particular person, to cover embarrassment by feigned indifference or hesitation, etc. Also ahem.To make the sound expressed by the word hem; hence, to hesitate or stammer in speaking: as, to hem and haw.To remove or otherwise affect by coughing.See he, I., D .See hemato-.