To save this word, you'll need to log in.
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.
Comments on observation deck
What made you want to look up observation deck? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Semantic Drift Quiz
- Which of the following was once a synonym for fun?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
Share observation deck