Refers to a person's facial features and overall appearance. Somewhat literary or old-fashioned; in modern casual speech, 見た目 or 顔立ち are more common.
She has well-proportioned features.
She was a person of beautiful appearance.
Compound of 見目 (みめ, 'appearance') and 形 (かたち, 'shape'). The exact historical derivation is uncertain.