牙祭

a good meal / sumptuous food

tooth / ivory / CL:顆|颗[ke1]

surname Zhai

to offer a sacrifice to (gods or ancestors) / memorial ceremony / (in classical novels) to recite an incantation to activate a magic weapon / (lit. and fig.) to wield

to have a large and sumptuous meal (traditionally on the 1st and 15th of each month)