from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A thin muscle consisting of a number of fleshy and tendinous fasciculi that fill up the groove on either side of the spinous processes of the vertebrae, from the sacrum to the axis.
from The Century Dictionary and Cyclopedia
- n. In anatomy, one of the muscles of the fifth or deepest layer of the back, consisting of many fleshy and tendinous fasciculi which pass obliquely upward and inward from one vertebra to another, the whole filling the groove between the spinous and transverse processes from the sacrum to the axis: more fully called the multifidus spinæ; and also fidispinalis.
Sorry, no etymologies found.