(こし)

こし
noun
waist, hips, lower back
1. waist, hips
The part of the body between the ribs and hips.
(こし)()ろす
To sit down.
I put my hands on my hips.
I worked with a bent waist.
You have a slim waist.
Please get up (from your seat).
2. lower back
The lumbar region of the body.
(こし)(いた)
My lower back hurts.
I hurt my lower back carrying something heavy.
I have bad lower back pain.
I stretched my lower back.
Sitting for a long time is bad for your lower back.

(こし) refers to waist and lower back.

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