Identification
coxa 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 above.
The coxae of the front, middle, and rear legs are called the procoxa, mesocoxa, and metacoxa, respectively.