duplexes

noun

1. 1.A house made up of two dwelling units.
2. 2.A cancellation combining a numerical cancellation with a second mark showing time, date, and place of posting.
3. 3.A throwing motion where two balls are thrown with one hand at the same time.
4. 4.A double-stranded polynucleotide.
5. 5.A system of multiple thrust faults bounded above and below by a roof thrust and floor thrust.