'Multinomial' definitions:

Definition of 'multinomial'

From: WordNet
adjective
Having the character of a polynomial; "a polynomial expression" [syn: polynomial, multinomial]
noun
A mathematical function that is the sum of a number of terms [syn: polynomial, multinomial]

Definition of 'Multinomial'

From: GCIDE
  • Multinomial \Mul`ti*no"mi*al\, n. & a. [Multi- + -nomial, as in binomial. See Binomial.] (Alg.) Same as Polynomial. [1913 Webster] Multinominal