(rare) Double. / (of time or music) Having two beats, or a multiple of two beats, in each measure. / (poetry) Having two beats in each foot.

(music) A metre with two beats, each divided into three.

(architecture) Having two floors / (architecture) Having two units, divisions, suites, apartments / (telecommunications) Bidirectional (in two directions).

To make duplex. / To make into a duplex. / (juggling) To make a series of duplex throws.

(US, Canada) A house made up of two dwelling units. / (US) A dwelling unit with two floors

A group of two things. / (beekeeping, archaic) An empty box placed above the existing boxes of the beehive in order to allow the colony to expand or store additional honey.

plural of duplet

(ecclesiastical law) A complaint in the nature of an appeal from the ordinary to his immediate superior, as from a bishop to an archbishop.

plural of duplexer

plural of duplex