toast is used as noun here.
the meaning could be:
from merriam-Webster:
Toast
Function: noun
1 a : sliced bread browned on both sides by heat
b : food prepared with toasted bread
2 [from the use of pieces of spiced toast to flavor drinks]
a : someone or something in honor of which persons usually drink
b : one that is highly admired
3 [3toast] : an act of proposing or of drinking in honor of a toast
4 : a rhyming narrative poem existing in oral tradition amon
