BIGONIAL
Meaning of BIGONIAL in English
(ˈ)bī|gōnēəl adjective
also bi·go·ni·ac -nēˌak
Etymology: bi- (I) + gonial or goniac
: of, relating to, or joining the two gonia
Webster's New International English Dictionary.
Новый международный словарь английского языка Webster.
2012