The Collaborative International Dictionary of English v.0.48:

Limaille \Li"maille\ (l[imac]"m[=a]l; F. l[-e]`m[aum]"y'), n.
   [F., fr. limer to file. See Limation.]
   Filings of metal. [Obs.] "An ounce . . . of silver lymaille."
   --Chaucer.
   [1913 Webster]