Definition of observation deck
: a platform built so that people can see or watch something You can see into three different states from the mountaintop restaurant's observation deck.
Word by Word Definitions
: a platform in a ship serving usually as a structural element and forming the floor for its compartments
: something resembling the deck of a ship: such as
: a story or tier of a building (as a sports stadium)
: to clothe in a striking or elegant manner : array
Seen and Heard
What made you want to look up observation deck? Please tell us where you read or heard it (including the quote, if possible).