noun
navel; belly button
Polite form of へそ, used in everyday speech. Often used when speaking to or about children, or in polite conversation.
See also: 臍 (へそ)
赤ちゃんのおへそを優しく拭いてあげてください。
Please gently wipe the baby's belly button.
おへそを出して寝るとお腹が冷えるよ。
If you sleep with your belly button exposed, your stomach will get cold.