The Collaborative International Dictionary of English v.0.48:

Moir'e \Moi*r['e]"\, v. t. [imp. & p. p. Moir['e]ed; p. pr. &
   vb. n. Moir['e]eing.] Also Moire \Moire\ [F. moir['e].]
   To give a watered or clouded appearance to (a surface).
   [Webster 1913 Suppl.]