The Collaborative International Dictionary
Angiospermatous
Angiospermatous \An`gi*o*sper"ma*tous\ ([a^]n`j[i^]*[-o]*sp[~e]r"m[.a]*t[u^]s), a. (Bot.) Same as Angiospermous.
Wiktionary
angiospermatous
a. (alternative form of angiospermous English)