Definition of quadriplex in English:

quadriplex

(also quadraplex)

Pronunciation /ˈkwädrəpleks/ /ˈkwɑdrəplɛks/

noun

North American
  • A building divided into four self-contained residences.

    ‘Rico needed financing in order to purchase the quadriplex units.’
    • ‘I've got a fully furnished 1/1 shotgun apartment in a recently remodeled quadraplex home available for rent during the month of July.’

Origin

1970s from quadri-‘four’, on the pattern of duplex.