頭(あたま)

あたま
noun
head
body-part
1. head
The upper part of the body containing the brain, eyes, ears, nose, and mouth.
頭(あたま)が痛(いた)いです。
I have a headache.
頭(あたま)を洗(あら)います。
I wash my head/hair.
頭(あたま)をぶつけました。
I bumped my head.
I patted the child's head.
My head has been hurting since yesterday, and even though I took medicine, it still hasn't gotten better.
2. mind, brain, intelligence
Mental capacity or intelligence.
頭(あたま)がいい。
Smart.
頭(あたま)がいい = smart, intelligent
頭(あたま)がいい人(ひと)です。
They are a smart person.
Please use your brain and think.
This difficult problem is giving me a headache.
Figurative use: 頭(あたま)が痛(いた)い can mean mental stress
That person is smart, so they understand everything quickly. You don't need to explain things to them.

Common expressions