"flank" in the noun sense
1. flank, wing
the side of military or naval formation
"they attacked the enemy's right flank"
a subfigure consisting of a side of something
a cut from the fleshy part of an animal's side between the ribs and the leg
the side between ribs and hipbone
"flank" in the verb sense
be located at the sides of something or somebody
Source: WordNet® (An amazing lexical database of English)
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