adj. Of or pertaining to the lumbar and sacral regions of the back; the small of the back and the back portion of the pelvis.
the GNU version of the Collaborative International Dictionary of English
n. Of or pertaining to the loins and sacrum.
The Century Dictionary and Cyclopedia
Pertaining to the lumbar and the sacral region of the spine.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. of or relating to or near the small of the back and the back part of the pelvis between the hips
Word Usage
"Today, ergonomists worry less about manual laborers' arms than about their backs, because the lower back specifically the lumbosacral junction is now understood to be the weakest link in the "body segment chain.""