cucullate

American Heritage® Dictionary of the English Language, Fourth Edition

1. adj. Botany Having the shape of a cowl or hood; hooded: cucullate sepals.

Century Dictionary and Cyclopedia

1. Hooded; cowled; covered as with a hood.
2. In botany, having the shape or semblance of a hood; wide at the top and drawn to a point below, in the shape of a cornet of paper; like or likened to a hood: as, a cucullate leaf or nectary. In mosses it is specifically applied to a conical calyptra cleft at one side.
3. In zoology, hooded; having the head shaped, marked, or colored as if hooded or cowled: specifically applied, in entomology, to the prothorax of an insect when it is elevated or otherwise shaped into a kind of hood or cowl for the head.

Wiktionary

1. adj. Of or pertaining to having a hood; shaped like a hood

GNU Webster's 1913

1. adj. Hooded; cowled; covered, as with a hood.
2. adj. Having the edges toward the base rolled inward, as the leaf of the commonest American blue violet.
3. adj. Having the prothorax elevated so as to form a sort of hood, receiving the head, as in certain insects.
4. adj. Having a hoodlike crest on the head, as certain birds, mammals, and reptiles.