'get-up' definitions:

Definition of 'get-up'

From: GCIDE
  • getup \get"up\, get-up \get"-up\, n.
  • 1. General composition or structure; manner in which the parts of a thing are combined; arrangement; format; make-up; style of dress, etc. [Colloq.] --H. Kingsley. [1913 Webster]
  • 2. Specifically: A set of clothing (with accessories); as, what are you doing in that getup?; -- often used with implied disapproval or scorn. [informal] [WordNet sense 1]
  • Syn: outfit, rig. [WordNet 1.5]