Dictionary.com
definitions

w.c.

  1. water closet.
  2. without charge.

W.C.

  1. water closet.
  2. West Central (postal district in London, England).
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for w.c.

latrine, outhouse, lavatory, restroom, throne, head, commode, privy, can, washroom, W.C., potty, john, garderobe
Word Origin and History for w.c.

W.C.

n.

"lavatory," 1954, abbreviation of water closet.

Online Etymology Dictionary, © 2010 Douglas Harper