'lumbar plexus' definitions:
Definition of 'lumbar plexus'
From: WordNet
noun
A lymphatic plexus located along the lower portion of the aorta and iliac vessels [syn: lumbar plexus, plexus lumbalis]
noun
A plexus of nerves formed by the ventral branches of the first four lumbar nerves [syn: lumbar plexus, plexus lumbalis]