Rarebit n. : A dainty morsel; a Welsh rabbit. See Welsh rabbit, under Rabbit.

Example:
Whats welsh Rarebit, and how do I make it?

Taxonomy
Welsh rabbit, Welsh rarebit, rarebit, recipes, cheese, dish, rabbit, free encyclopedia, meat dish, Dictionary, melted cheese, sauce, Cookery Book, Legends, Welsh, Dream of the Rarebit Fiend, cookbooks, the poor.

Defination from the web:
rarebit, some cookbooks have included two recipes: the Boston Cooking-School Cook Book of ... Rarebit recipe featuring Lea & Perrins. Good Housekeeping magazine, December 1934. ...