Definition of Angiospermae
: a class of Pteropsida or in some classifications a subdivision of Spermatophyta comprising seed plants (as orchids or roses) that produce seeds enclosed in an ovary, including the vast majority of seed plants, and being divided into the subclasses Dicotyledoneae and Monocotyledoneae — compare filicineae, gymnospermae
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Origin and Etymology of angiospermae
New Latin, from angi- + -spermae
First Known Use: 1831
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