/ Dictionary / Index A angiospermous: Meaning and Definition of Find definitions for: an•gi•o•sper•mous Pronunciation: (an"jē-ō-spûr'mus), [key] — adj. of or pertaining to an angiosperm; having enclosed seeds. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: angiospermous (Thesaurus) angiosperm angiotensin Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language