The Collaborative International Dictionary of English v.0.48:

Paprika \Pa"pri*ka\, n. Also Paprica \Pa"pri*ca\ [Hung. paprika
   Turkish pepper; prob. through G.]
   The dried ripened fruit of Capsicum annuum or various other
   species of pepper; also, the mildly pungent condiment
   prepared from it.
   [Webster 1913 Suppl.]

WordNet (r) 3.0 (2006):

paprika
    n 1: plant bearing large mild thick-walled usually bell-shaped
         fruits; the principal salad peppers [syn: sweet pepper,
         bell pepper, pimento, pimiento, paprika, sweet
         pepper plant, Capsicum annuum grossum]
    2: a mild powdered seasoning made from dried pimientos