W.A.A.C.

WAAC or Waac «wak», noun.

a member of the WAAC.

WAAC (no periods) or W.A.A.C.,

1. U.S. Women's Army Auxiliary Corps (the former name of the Women's Army Corps or WAC).

2. British. Women's Army Auxiliary Corps (a former name of the Women's Royal Army Corps or WRAC).