n. The surgical procedure to remove the bony arch or lamina from one or more vertebrae.
The Century Dictionary and Cyclopedia
n. In surgery, exsection of the laminæ of one or more of the vertebræ to relieve pressure upon the spinal cord.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. surgical removal of the bony arches on one or more vertebrae
Word Usage
"The surgical solution involves enlarging the opening to relieve the pressure on the nerves, in an operation called a laminectomy that costs $10,000 to $12,000."