Definition of "Toast" :

noun: slices of bread that have been toasted

noun: a drink in honor of or to the health of a person or event

noun: a person in desperate straits; someone doomed

"One mistake and you're toast."

noun: a celebrity who receives much acclaim and attention

"He was the toast of the town."

verb: make brown and crisp by heating

"Toast bread."

verb: propose a toast to

"Let us toast the birthday girl!."