cotyloid, a. Anat.
(ˈkɒtɪlɔɪd)
[ad. Gr. κοτυλοειδής cup-shaped: see cotyle and -oid.]
Shaped like a cup: applied esp. to the socket or acetabulum of the hip-joint (c. cavity), and to parts in connexion with this; also to the coxal cavity in insects (cf. cotyle 2).
| 1760 White in Phil. Trans. LI. 678 The cotyloid cavity greatly diminished in size. 1826 Kirby & Sp. Entomol. (1828) III. xxxiv. 428 A corresponding deep socket (or cotyloid cavity). 1840 G. Ellis Anat. 682 The synovial membrane..covers the acetabulum, being continued..over the surfaces of the cotyloid ligament. |