tripterous

[ trip-ter-uh s ]
/ ˈtrɪp tər əs /

adjective Botany.

three-winged; having three wings or winglike expansions.

Origin of tripterous

1865–70; < Greek tripteros; see tri-, -pterous

British Dictionary definitions for tripterous

tripterous
/ (ˈtrɪptərəs) /

adjective

(of fruits, seeds, etc) having three winglike extensions or parts

Word Origin for tripterous

C19: from tri- + Greek -pteros, from pteron wing