Definify.com

Webster 1913 Edition

Noun.

A kind of rich, sweet cake; – so called from the ingredients being used by pounds, or in equal quantities.

See also: pound cake

poundcake ‎(plural poundcakes)

Alternative form of pound cake
- 2007 December 5, “Recipe: Chocolate-Apricot Babka”, in New York Times:
  3/4 cup dry poundcake crumbs