ˌ ̷ ̷ ̷ ̷ ̷ ̷ˈspərˌmē noun plural
Usage: capitalized
Etymology: New Latin, from angi- + -spermae
: 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