ˌ ̷ ̷ ̷ ̷ˈ ̷ ̷nēəm noun
( plural perigyn·ia -ēə)
Etymology: New Latin, from peri- + -gynium (from Greek gynē woman, wife, pistil + New Latin -ium ) — more at queen
1. : a fleshy cup or tube that surrounds the archegonium of various bryophytes (as of the liverwort group) and that is formed either from the stem apex or from the thallus
2. : the saclike bract that subtends the pistillate flower of sedges of the genus Carex and that in fruit becomes a flask-shaped envelope investing the achene