Something having a deck or an indicated number of levels, stories, or tiers. Often used in combination: a three-decker apartment house; double-decker buses. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "decker" in a sentence
"A club sandwich, also called a clubhouse sandwich or double-decker, is a sandwich with two layers of fillings between 3 slices of bread."
"Any further conversation was out of the question, as the candidate -- a smart, clean-shaven man with clearly cut features -- now appeared, and announced himself by removing his new straw "decker," and calling out --"
"After some deliberation he decided to advance Bob Stratton to the post, that "decker" having had more or less experience the year before."