flank

(noun) the side of military or naval formation. Synonyms: wing. Example: "They attacked the enemy's right flank."

(noun) a subfigure consisting of a side of something.

(noun) a cut from the fleshy part of an animal's side between the ribs and the leg.

(noun) the side between ribs and hipbone.

(verb) be located at the sides of something or somebody.