double-decker

[duhb-uh l-dek-er] /ˈdʌb əlˈdɛk ər/
noun
1.
something with two decks, tiers, or the like, as two beds one above the other, a ship with two decks above the water line, or a bus with two decks.
2.
a food item consisting of two main layers, as a sandwich made with three slices of bread and two layers of filling.
Origin
1825-35, Americanism
British Dictionary definitions for double deckers

double-decker

noun
1.
(mainly Brit) a bus with two passenger decks
2.
(informal)
  1. a thing or structure having two decks, layers, etc
  2. (as modifier): a double-decker sandwich
Word Origin and History for double deckers

double-decker

n.

1835 of ships, 1867 of street vehicles; from double (adj.) + deck (n.).

double deckers in Technology

jargon
Married couples in which both partners work for Digital Equipment Corporation.
[Jargon File]
(1994-12-07)