noun, plural coxae
, adjective coxal
- The hip or first joint of the leg, connecting the rest of the joints of the leg to the body at the thorax
(term first used by Linnaeus). The joint attached to it at the other end is the trochanter
See the diagram of insect and spider legs
The coxae of the front, middle, and rear legs are called the procoxa, mesocoxa, and metacoxa, respectively.