noun, plural lam·i·nec·to·mies.

the surgical removal of part of the posterior arch of a vertebra to provide access to the spinal canal, as for the excision of a ruptured disk.

Origin of laminectomy

First recorded in 1890–95; lamin(a) + -ectomy Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for laminectomy


noun plural -mies

surgical incision into the backbone to gain access to the spinal cordAlso called: rachiotomy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

laminectomy in Medicine




Excision of a vertebral lamina.rachiotomy
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.