a. Bot. [f. mod.L. angīosperm-us (see above) + -OUS.] Having the seeds enclosed in a pericarp or seed-vessel.
1731. Bailey, Angiospermous [as ANGIOMONOSPERMOUS].
1760. Lee, Bot., v. (Jod.). The fruit angiospermous.
1854. Balfour, in Encycl. Brit., V. 237. The Tertiary period is characterized by the abundance of Angiospermous Dicotyledons.
