noun, noun which may take the genitive case particle 'no'
slender face; narrow face
Describes a face that is long and thin; often considered a refined or delicate feature. Used as a noun or with の to modify another noun.
彼女は細面の美人だ。
She is a beauty with a slender face.
細面の男性が立っていた。
A man with a narrow face was standing.
面長 also means a long or oval face, but is more neutral and commonly used in everyday descriptions, while 細面 often carries a nuance of delicate slenderness.
Compound of 細 (ほそ, 'thin, slender') and 面 (おもて, 'face, surface'). The reading おもて for 面 is an older native Japanese reading.