Definition of "toner"

Powder used in laser printers and photocopiers to form the text and images on the printed paper.  examples

Cosmetic lotion designed to cleanse the skin and shrink pores, usually used on the face.  examples

(archaic or dialectal) A musician, particularly one that plays a wind instrument.

A hair product used to reduce brassiness and increase shine in bleached and dyed hair.  examples