noun.
A member of the plant group characterized by having ovules enclosed in an ovary; the angiosperms or flowering plants: the Angiospermae, Magnoliophyta, Magnoliopsida, etc.
adjective.
pertaining to the angiosperms.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
plants having seeds in a closed ovary
Word Usage
"This latter use of the Hebrew word ets refers to an angiosperm—a tree with fruit and seed—not a fern or a grass."