noun, noun which may take the genitive case particle 'no'
plump cheeks; attractive full cheeks
Describes cheeks that are pleasantly full and rounded, often with a positive or attractive connotation. Used as a noun or with の to modify another noun.
彼女の豊頬が笑うとさらに愛らしく見える。
Her plump cheeks look even more charming when she smiles.
赤ちゃんの豊頬を思わずつつきたくなる。
You can't help wanting to poke a baby's chubby cheeks.