The art of adorning or beautifying the body. Also plural (cf. athletics, n. 1).

The practice of the cosmetic art.

The art and practice of beauty culture (see also quot. 1853).

the art or practice of improving personal appearance through hairdressing, cosmetic treatments, etc. (now esp. as a profession).

(the provision of) various treatments aimed at improving a person's appearance or well-being; (also) an instance of this, a beauty treatment.