from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Conveying motion; applied especially to the spinal cord, because it is capable of conveying both voluntary and reflex motor impulses while not being responsive to them.
from the GNU version of the Collaborative International Dictionary of English
- adj. Conveying motion; ; -- applied esp. to the spinal cord, because it is capable of conveying doth voluntary and reflex motor impulses, without itself being affected by motor impulses applied to it directly.
from The Century Dictionary and Cyclopedia
- Transmitting motor impulses: applied to the motor tracts of the nervous system.
Ancient Greek (Wiktionary)