(Australia) A day on which money is raised for a group or cause by selling buttons for people to wear.

An edible flower from the plant Acmella oleracea, so named for generating a buzzing or electrified sensation in the mouth, due to the presence of spilanthol.

An edible flower from the plant Acmella oleracea, which generates a buzzing or electrified sensation in the mouth, due to the presence of spilanthol.

An edible flower from the plant Acmella oleracea), so named for generating a buzzing or electrified sensation in the mouth, due to the presence of spilanthol.

(UK, finance, historical) A clerk employed in the settling room of the stock exchange.

(slang) A nipple, usually of a man.

plural of button masher

(video games) A video game that is played by button mashing.

A part of a sword close to the hilt.

Third-person singular simple present indicative form of button up one's lip