noun (plural labella) see: lip Date: 1830 the median and usually most morphologically distinct member of the corolla of an orchid, a terminal part of the labium or labrum of various insects
LABELLUM
Meaning of LABELLUM in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012