I. ˈ ̷ ̷| ̷ ̷ ̷ ̷ noun
( -s )
1.
a. : a ship with two decks
b. : an old-time warship with guns on two decks
2. : something (as a bus) having two levels or layers
II. adjective
: having two decks, levels, layers, or classifications
a two-decker bus
a two-decker tariff
: double-deck