pyramidale
noun
py·ram·i·dale
pə̇ˌraməˈda(ˌ)lē,
ˌpirəmə̇ˈd-,
-dā(-,
-dä(-
plural -s
: triquetral bone
Word History
Etymology
New Latin, short for os pyramidale pyramidal bone, from Latin os bone + Medieval Latin pyramidale, neuter of pyramidalis pyramidal
First Known Use
1826, in the meaning defined above