背
せ · se
JLPT N4
Meaning
back (body part); height, stature
Examples
彼は私に背を向けた。 — He turned his back on me.
子供の背がずいぶん伸びた。 — The child's height has grown considerably.
彼女は背が高いので、いつも目立つ。 — Since she is tall, she always stands out.