'crapper' definitions:

Definition of 'crapper'

From: WordNet
noun
A plumbing fixture for defecation and urination [syn: toilet, can, commode, crapper, pot, potty, stool, throne]

Definition of 'crapper'

From: GCIDE
  • crapper \crap"per\ (kr[a^]p"p[~e]r), n. a toilet. [vulgar]
  • Syn: toilet, can, commode, pot, potty, stool, throne. [WordNet 1.5 + PJC]