noun
plural decks
a flat surface that forms the main outside floor of a boat or ship [count]
When you are below deck or below decks, you are in the section of a boat or ship that is under the deck.
The phrase all hands on deck is used to call all people on a boat or ship to the deck to do work that must be done.
[count] one of the levels on a bus, ship, etc.
one of the seating levels in a sports stadium
[count] chiefly US :a wood structure that has a floor but no walls or roof, is attached to a house or other building, and is used for sitting and relaxing
[count] chiefly US :a complete set of playing cards :a group of 52 playing cards
In informal U.S. English, someone who is not playing with a full deck is not able to think or act in a normal way.
[count] :tape deck
clear the decks
also clear the deck
to get ready for action or for something new :to get rid of something to make room for something else
hit the deck
on deck
US
baseball :waiting to bat next
informal :next in a series
verb
decks; decked; decking
[+ obj] to decorate (something)
informal :to knock (someone) down by hitting very hard
decked out
dressed in a very fancy way
decorated in a fancy way - often + with