pterygoid UK /ˈtɛ.ɹɪ.ɡɔɪd/US /ˈtɛɹ.əˌɡɔɪd/adjective 1noun 1forms 1 adjective1 •Of, pertaining to or lying in the region of the inferior part of the sphenoid bone of the vertebrate skull. noun1 •A pterygoid part (such as a bone, muscle, or nerve). formspterygoids
