double as (someone or something)

double as (someone or something)

To serve two separate purposes. Because we're understaffed, I have to double as receptionist and file clerk right now. You wouldn't know from looking at it, but this sleeping bag actually doubles as a poncho.
See also: double
Farlex Dictionary of Idioms.

double as someone or something

[for someone] to serve in two capacities. The chairman will have to double as CEO until we find a new one. This table doubles as a desk during busy times.
See also: double
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

double as

v.
To serve in some additional capacity: The high school principal doubles as the soccer coach.
See also: double
The American Heritage® Dictionary of Phrasal Verbs.
See also:
  • double as
  • be of service
  • be of service (to someone or something)
  • cross purpose
  • stand the sight of (someone or something)
  • bear the sight of (someone or something)
  • engage
  • engage (one) as (something)
  • engage as
  • be at (one's) service