ginglymus

From Late Latin, from Ancient Greek γίγγλυμος (gínglumos, “hinge”).

• (UK) IPA^(key): /ˈɡɪŋɡlɪməs/, /ˈdʒɪŋɡlɪməs/

ginglymus (plural ginglymi)

1. (anatomy) A hinge joint.
   • 1702, de La Vauguion, A Compleat Body of Chirurgical Operations, Containing The Whole Practice of Surgery‎^[1], 2nd edition, page 408:

     The Bones of the Fingers are articulated by Ginglymus, and are fifteen in each Hand.

   • 1723, James Keill, The Anatomy of the Human Body Abridg'd, or A Short and full View of all the Parts of the Body‎^[2], 7th edition, pages 224–225:

     The Ginglymus is, when a Bone receives and is received; and the Property of this Sort of Articulation is to admit only of the Motions of the Flexion and Extension: It is called by Tradesmen Charnall, and it is commonly used in Hinges.