NOUN (2)

1. a spicy dish that originated in northern Africa; consists of pasta steamed with a meat and vegetable stew;

2. a pasta made in northern Africa of crushed and steamed semolina;

The Collaborative International Dictionary of English v.0.48:

Couscous \Cous"cous`\ (k??s"k??s`), n.
   A kind of food used by the natives of Western Africa, made of
   millet flour with flesh, and leaves of the baobab; -- called
   also lalo.
   [1913 Webster]

WordNet (r) 3.0 (2006):

couscous
    n 1: a spicy dish that originated in northern Africa; consists
         of pasta steamed with a meat and vegetable stew
    2: a pasta made in northern Africa of crushed and steamed
       semolina