Meaning offunctorsin English

Noun

1. a grammar function word
   Functors are used to connect words in a sentence.
2. a mathematical concept; function or mapping
   In mathematics, functors can be thought of as functions between categories.
3. a function object; computing context
   The programmer defined a functor to handle user input.
4. a category homomorphism; preserves domains and composition
   Category theory relies on functors to preserve the structure of objects.