The Collaborative International Dictionary of English v.0.48:

Haricot \Har"i*cot\ (h[a^]r"[-e]*k[-o]; F. [.a]`r[-e]`k[-o]"),
   n. [F.]
   1. A ragout or stew of meat with beans and other vegetables.
      [1913 Webster]

   2. The ripe seeds, or the unripe pod, of the common string
      bean (Phaseolus vulgaris), used as a vegetable. Other
      species of the same genus furnish different kinds of
      haricots.
      [1913 Webster]

WordNet (r) 3.0 (2006):

haricot
    n 1: a French variety of green bean plant bearing light-colored
         beans
    2: a French bean variety with light-colored seeds; usually dried
       [syn: flageolet, haricot]