'Catsup' definitions:

Definition of 'catsup'

noun

Thick spicy sauce made from tomatoes [syn: catsup, ketchup, cetchup, tomato ketchup]

From: GCIDE

Catchup \Catch"up\, Catsup \Cat"sup\, n. [Probably of East Indian origin, because it was originally a kind of East Indian pickles. Cf. also Malay k[e^]chap fish sauce. --MW10.] A pureed table sauce made predominantly from tomatoes, flavored with onions, sugar, salt and spices; called also tomato ketchup. The term is also applied to pureed sauces containing mushrooms, walnuts, etc., being called in such cases mushroom ketchup, walnut ketchup, etc. [Written also ketchup.] [1913 Webster]

From: GCIDE

Catsup \Cat"sup\ (k[a^]t"s[u^]p), n. Same as Catchup, and Ketchup. [1913 Webster] cattail

From: GCIDE

ketchup \ketch"up\, n. [Probably of East Indian origin, because it was originally a kind of East Indian pickles. Cf. also Malay k[e^]chap fish sauce. --MW10.] A pureed table sauce made predominantly from tomatoes, flavored with onions, sugar, salt and spices; called also tomato ketchup. The term is also applied to pureed sauces containing mushrooms, walnuts, etc., being called in such cases mushroom ketchup, walnut ketchup, etc. [Written also catsup and catchup.] [PJC]