lumbar vertebra(n = noun.body) Array - one of 5 vertebrae in the human vertebral column; lumbar vertebrae extend from the twelfth thoracic vertebra down to the sacral vertebrae; Array
is a kind of vertebra
is a part of back, dorsum

atlas vertebra, axis vertebra, caudal vertebra, cervical vertebra, coccygeal vertebra, dorsal vertebra, lumbar, lumbar artery, lumbar nerve, lumbar pain, lumbar plexus, lumbar puncture, lumbar vein, sacral vertebra, thoracic vertebra, vertebra