mastoid

¹mas·toid

adjective \ˈmas-ˌtȯid\

Definition of MASTOID

1

: being the process of the temporal bone behind the ear; also : being any of several bony elements that occupy a similar position in the skull of lower vertebrates

2

: of, relating to, or occurring in the region of the mastoid process

Origin of MASTOID

New Latin mastoides resembling a nipple, mastoid, from Greek mastoeidēs, from mastos breast

First Known Use: 1732

Rhymes with MASTOID

android, avoid, chancroid, colloid, conoid, crinoid, cuboid, cycloid, deltoid, dendroid, devoid, discoid, factoid, fibroid, fungoid, ganoid, globoid, hydroid, hypnoid, keloid, mucoid, ovoid, prismoid, pygmoid, rhizoid, rhomboid, schizoid, scombroid, sigmoid, spheroid, steroid, styloid, tabloid, thalloid, thyroid, toroid, toxoid, trochoid, typhoid, Veddoid, viroid

²mastoid

noun

Definition of MASTOID

: a mastoid bone or process

First Known Use of MASTOID

1840