noun which may take the genitive case particle 'no'
unarmed; without weapons
Describes a person who is not carrying any weapons, often in contexts where being armed is expected or relevant. Used attributively with の.
彼は丸腰で敵に向かった。
He faced the enemy unarmed.
丸腰の警官はめったにいない。
An unarmed police officer is rare.