I. noun see: yoke Date: 1646 an ~ anatomical part, II. adjective also azygous Date: 1681 not being one of a pair ; single
AZYGOS
Meaning of AZYGOS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012