backnoun
The back of the body, from the neck to the waist.
pain, achenoun
Pain or discomfort you feel in the body.
painnoun
An unpleasant physical sensation in a part of the body.
dolorepain
I've had a strong pain here for three days.
malepain, ache
It hurts most when I get out of bed.
schienaback
My back has hurt for more than a week.