From Longman Dictionary of Contemporary Englishsingle-deckerˌsingle-ˈdecker, single decker noun [countable] British English a bus with only one level → double-decker(1) —single-decker adjective [only before noun] a single-decker bus
Examples from the Corpus
single-decker• With the stairs enclosed by wooden shutters, they could operate in bad weather as single-deckers.• The single-deckers became known appropriately as railcoaches, a name which placed them firmly to the forefront of modern transport.• In 1968 the fleet was renumbered, with single-deckers taking 600-series numbers and double-deckers 700-series.