Dictionary.com

backache

[ bak-eyk ]
/ ˈbækˌeɪk /

noun

a pain, especially in the lumbar region of the back, usually caused by the strain of a muscle or ligament.

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Origin of backache

First recorded in 1595–1605; back1 + ache
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for backache

British Dictionary definitions for backache

backache
/ (ˈbækˌeɪk) /

noun

an ache or pain in one's back
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

Medical definitions for backache

backache
[ băk′āk′ ]

n.

Discomfort or a pain in the region of the back or spine.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.