First Known Use: 1732
Dictionary
1mastoid
adjective mas·toid \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
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Origin of MASTOID
New Latin mastoides resembling a nipple, mastoid, from Greek mastoeidēs, from mastos breast
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
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