/kat'i gawr"ee euhl, -gohr"-/ , adj. Ling.
1. of or pertaining to a categorial grammar.
2. (in generative grammar) of or pertaining to the part of the base component that contains rules for establishing syntactic categories and ordering the elements within them.
[ CATEGORY + -AL 1 ; cf. G categorial (1880) pertaining to categories in logic ]