from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A muscle whose contraction loosens some part.
from the GNU version of the Collaborative International Dictionary of English
- n. That which loosens; -- esp., a muscle which by its contraction loosens some part.
from The Century Dictionary and Cyclopedia
- n. In anatomy, that which relaxes or loosens: the opposite of tensor.
From Latin laxare, laxatum, to loosen. (Wiktionary)