The Collaborative International Dictionary of English v.0.48:

Hollander \Hol"land*er\, prop. n.
   1. A native or one of the people of Holland; a Dutchman.
      [1913 Webster]

   2. A very hard, semi-glazed, green or dark brown brick, which
      will not absorb water; -- called also, Dutch clinker.
      --Wagner.
      [1913 Webster]

WordNet (r) 3.0 (2006):

Hollander
    n 1: a native or inhabitant of Holland [syn: Netherlander,
         Dutchman, Hollander]