(especially UK) a single-deck bus, which has only one level for passengers, unlike a double-decker.

plural of single-decker

plural of three-decker

plural of two-decker

A bus with three storeys. / A three-storey apartment building. / A sandwich consisting of three levels of filling between four pieces of bread. / (journalism) A headline that is three lines long.

plural of double decker

plural of triple-decker

plural of table-decker

(historical) A servant in an aristocratic household who specifies where various dishes and decorations are to be placed at table.

(slang) The prank of defecating in the cistern of a toilet, so that flushing the toilet brings in dirty water instead of clean.