‖Teg″men (?), n.; pl.Tegmina (#). [L., fr. tegere, tectum, to cover.] 1. A tegument or covering.
2. (Bot.) The inner layer of the coating of a seed, usually thin and delicate; the endopleura.
3. (Zoöl.) One of the elytra of an insect, especially of certain Orthoptera.
4. pl.(Zoöl.) Same as Tectrices.