— calyptrate /keuh lip"trayt/ , adj.
/keuh lip"treuh/ , n. Bot.
1. Also called cap . a hood or hoodlike part, as the lid of the capsule in mosses.
2. a root cap.
[ 1745-55; kalýptra veil, covering, equiv. to kalýp ( tein ) to veil, cover + -tra n. suffix ]