Search Result for "lumbar vertebra":
Wordnet 3.0

NOUN (1)

1. one of 5 vertebrae in the human vertebral column; lumbar vertebrae extend from the twelfth thoracic vertebra down to the sacral vertebrae; 



WordNet (r) 3.0 (2006):

lumbar vertebra
    n 1: one of 5 vertebrae in the human vertebral column; lumbar
         vertebrae extend from the twelfth thoracic vertebra down to
         the sacral vertebrae