coxa
noun
ˈkäk-sə 
plural coxae ˈkäk-ˌsē
-ˌsī
: the basal segment of a limb of various arthropods (such as an insect)
coxal
ˈkäk-səl
adjective 
Word History
Etymology
Latin, hip; akin to Old High German hāhsina hock, Sanskrit kakṣa armpit
First Known Use
1826, in the meaning defined above
Medical Definition
coxa
noun
ˈkäk-sə
plural coxae -ˌsē, -ˌsī
: hip joint, hip