\Con"greve\, n. [After Sir William Congreve, the
inventor.]
1. Short for
{Cogreve rocket}, a powerful form of rocket formerly used in
   war, either in the field or for bombardment. In the former
   case it was armed with shell, shrapnel, or other missiles;
   in the latter, with an inextinguishable explosive
   material, inclosed in a metallic case. It was guided by a
   long wooden stick.
2. Short for
{Congreve match}, an early friction match, containing
   sulphur, potassium chlorate, and antimony sulphide.