noun (plural perithecia) see: tick Date: circa 1832 a spherical, cylindrical, or flask-shaped hollow fruiting body in various ascomycetous fungi that contains the asci and usually opens by a terminal pore, perithecial adjective
PERITHECIUM
Meaning of PERITHECIUM in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012