Translation guide
The English word "flank" can refer to the side of a person's or animal's body, the side of a military formation, or the side of a geographical feature. This guide covers natural Japanese expressions for each meaning.
Referring to the side of the torso between the ribs and hip, often in medical, anatomical, or descriptive contexts.
The most common and natural word for the flank of a person or animal. It specifically refers to the side of the abdomen.
He injured his flank.
There was a wound on the horse's flank.
Similar to 脇腹, but slightly more general and can be used for the side of objects as well. For body parts, 脇腹 is more common.
He crouched down, clutching his flank.
A medical/anatomical term for the flank region. Used in clinical contexts.
Investigate the cause of flank pain.
Referring to the left or right side of an army, fleet, or unit, often in tactical or historical contexts.
The standard term for the flank of a military formation. Can also be used metaphorically.
The enemy attacked our flank.
Literally 'wing', used in military contexts for the flank of a formation, especially in historical or formal writing.
An archaic or literary term for the flank or side of a military formation. Rarely used in modern Japanese.
Referring to the side of a mountain, building, or other large structure.
Used for the side of mountains, buildings, or abstract things. The most versatile term.
Snow remained on the flank of the mountain.
Specifically for the sloping side of a mountain or hill. Emphasizes the incline.
Refers to the middle part of a mountain's side, often used in hiking or geographical descriptions.
When referring to a person's flank, do not use 側面 (sokumen), which is for military or object sides. Use 脇腹 (wakibara) instead.
My flank hurts.
We deployed troops to protect the flank.
The left flank came under enemy attack.
横合いから敵が現れた。
The enemy appeared from the flank.
There is a large sign on the flank of the building.
山の斜面を登る。
Climb the flank of the mountain.
山の中腹に小屋がある。
There is a hut on the flank of the mountain.