from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A bony or cartilaginous arch that arises from the dorsal side of a vertebra to enclose the spinal cord.
from the GNU version of the Collaborative International Dictionary of English
- adj. the cartilaginous or bony arch on the dorsal side of the centrum of the vertebra in a segment of the spinal skeleton, usually inclosing a segment of the spinal cord.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a structure arising dorsally from a vertebral centrum and enclosing the spinal cord
Sorry, no etymologies found.