ginglymus
Concise Oxford English Dictionary © 2008 Oxford University Press:
ginglymus /ˈgɪŋglɪməs/
▶noun (pl. ginglymi /-mʌɪ/) Anatomy a hinge-like joint such as the elbow or knee.
– origin C16: mod. L., from Gk ginglumos ‘hinge’.
'ginglymus' also found in these Oxford entries:

