adj.
Of, near, or situated in the part of the back and sides between the lowest ribs and the pelvis.
n.
A lumbar artery, nerve, vertebra, or part.
[New Latin lumbāris, from Latin lumbus, loin.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
