'plexus lumbalis' definitions:

Definition of 'plexus lumbalis'

(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]