Meaning of MASTOID in English

MASTOID

I. adjective Etymology: New Latin ~es resembling a nipple, ~, from Greek mastoeidēs, from mastos breast Date: 1732 being the process of the temporal bone behind the ear, of, relating to, or occurring in the region of the ~ process, II. noun Date: 1840 a ~ bone or process

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.