'Filigrain' definitions:

Definition of 'Filigrain'

From: GCIDE

Filigrain \Fil"i*grain\, Filigrane \Fil"i*grane\, n. [Sp. filigrana (cf. It. filigrana, E. filigrane), fr. L. filuma thread + granum grain. See File a row, and Grain, and cf. Filigree.] Filigree. [Archaic] [1913 Webster]
With her head . . . touches the crown of filigrane. --Longfellow. [1913 Webster]