noun
good looks; pretty woman; good-looking woman
Refers to a woman's attractive appearance; can also denote a woman who is good-looking. Slightly old-fashioned, but still understood.
彼女は器量よしで、誰もが振り返る。
She is so good-looking that everyone turns their head.
あの店の看板娘はなかなかの器量よしだ。
The poster girl of that shop is quite a pretty woman.
Compound of 器量 (きりょう, 'looks; ability') and よし (良し, 'good'). The exact historical derivation is uncertain, but the term has been used since the Edo period to describe a woman's attractive appearance.