Definition of permutationist in English:

permutationist

noun

rare British
  • A person who practises or promotes a system of betting on football pools.

Pronunciation

permutationist

/ˌpəːmjʊˈteɪʃ(ə)nɪst/ /ˌpəːmjʊˈteɪʃənɪst/

Origin

Mid 19th century (in an earlier sense). From permutation + -ist.