gallicism

from WordNet (r) 3.0 (2006)

Gallicism
    n 1: a word or phrase borrowed from French

from The Collaborative International Dictionary of English v.0.48

Gallicism \Gal"li*cism\, n. [F. gallicisme.]
   A mode of speech peculiar to the French; a French idiom;
   also, in general, a French mode or custom.
   [1913 Webster]