do duty as



do (double) duty as/for something

  (American & Australian)
to also have another purpose They make an electronic identity card that will do duty for a credit card and pocket calculator. She's really the secretary but she does double duty as the receptionist during Katrina's lunch hour.
See also: duty

Common Names:

NameGenderPronouncedUsage
ChaseCHAYSEnglish
Ljubomir-Croatian, Serbian, Macedonian
MelvilleMEL-vilEnglish
ŞAhnaz-Turkish
Aileas-Scottish
Chestislav-Medieval Slavic