Entry 1 sense Webster, 1913 Angiospermatous /(ăn`jĭ*ō̇*spẽr"mȧ*tŭs)/ · An·gi·o·sper·ma·tous · IPA 01 a. Same as Angiospermous. 1. Same as Angiospermous.(Bot.) See: Angiospermous