dually

adverb
du·​al·​ly | \ ˈdü-ə(l)-ˌlē How to pronounce dually (audio) also ˈdyü-\

Definition of dually

: in a double capacity : in two ways Since the library functions dually as a working room for a writer and a space for entertaining, the architect was careful to make a place for everything.— Carol Vogel … rising prescription drug costs for those dually eligible for Medicare and Medicaid …Inside Health Reform

First Known Use of dually

1650, in the meaning defined above

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