/duy kot'l eed"n, duy'kot l-/ , n. Bot.
any angiospermous plant of the class (or subclass) Dicotyledoneae, producing seeds with two cotyledons and having an exogenous manner of growth. Cf. monocotyledon .
[ 1720-30; Dicotyledones a pre-Linnean grouping of such plants. See DI- 1 , COTYLEDON ]