D defs.my
Entry 2 senses Webster, 1913

Caboose

/(kȧ*bo͞os")/ · Ca·boose · IPA /kəˈbuːs/
01 n. A house on deck, where the cooking is done; -- commonly called the galley.
  1. 1.
    A house on deck, where the cooking is done; -- commonly called the galley.(Naut.) Also: galley
  2. 2.
    A car used on freight or construction trains as travelling quarters for brakemen, workmen, etc.; a tool car. It usually is the last car of the train.(Railroad) [U. S.]