[1] : The Collaborative International Dictionary of English v.0.48

chaise \chaise\ sh=az, n. f. chaise seat, or chair, chaise
   or carriage, for chaire, from a peculiar parisian
   pronunciation. see chair.
   1. a two-wheeled carriage for two persons, with a calash top,
      and the body hung on leather straps, or thorough-braces.
      it is usually drawn by one horse.
      1913 webster

   2. loosely, a carriage in general. --cowper.
      1913 webster
see also:
chair 

[2] : WordNet (r) 2.0

chaise
     n 1: a long chair; for reclining syn: chaise longue, daybed
     2: a carriage consisting of two wheels and calash top; drawn by
        a single horse syn: shay
see also:
chaise longue daybed shay 

Chaise >> C Words
Chaise, definition of term: Chaise
chaise_pag1.html

Post Chaise >> P Words
Post Chaise, definition of term: Post Chaise
post+chaise_pag1.html