[1] : The Collaborative International Dictionary of English v.0.48

ketchup \ketch"up\, n. probably of east indian origin, because
   it was originally a kind of east indian pickles. cf. also
   malay ke^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
see also:
tomato ketchup mushroom ketchup walnut ketchup catsup catchup 

[2] : The Collaborative International Dictionary of English v.0.48

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 ke^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
see also:
tomato ketchup mushroom ketchup walnut ketchup ketchup 

Ketchup >> K Words
Ketchup, definition of term: Ketchup
ketchup_pag1.html

Walnut >> W Words
Walnut, definition of term: Walnut
walnut_pag1.html

Walnut Tree >> W Words
Walnut Tree, definition of term: Walnut Tree
walnut+tree_pag1.html

Walnut Creek >> W Words
Walnut Creek, definition of term: Walnut Creek
walnut+creek_pag1.html

Black Walnut >> B Words
Black Walnut, definition of term: Black Walnut
black+walnut_pag1.html