The Collaborative International Dictionary of English v.0.48:

Flemish \Flem"ish\, a.
   Pertaining to Flanders, or the Flemings. -- n. The language
   or dialect spoken by the Flemings; also, collectively, the
   people of Flanders.
   [1913 Webster]

   Flemish accounts (Naut.), short or deficient accounts.
      [Humorous] --Ham. Nav. Encyc.

   Flemish beauty (Bot.), a well known pear. It is one of few
      kinds which have a red color on one side.

   Flemish bond. (Arch.) See Bond, n., 8.

   Flemish brick, a hard yellow paving brick.

   Flemish coil, a flat coil of rope with the end in the
      center and the turns lying against, without riding over,
      each other.

   Flemish eye (Naut.), an eye formed at the end of a rope by
      dividing the strands and lying them over each other.

   Flemish horse (Naut.), an additional footrope at the end of
      a yard.
      [1913 Webster]