in one

(all) in one

Simultaneously; happening or existing at the same time or in the same entity. Usually used in reference to someone or something that serves multiple roles or has multiple purposes. They're advertising their latest product as a blender, food processor, and juicer all in one. As an intern at the publishing house, I was basically a personal assistant, gofer, proofreader, and warehouse laborer in one.
See also: one
Farlex Dictionary of Idioms.

in ˈone

used to say that somebody/something has different roles, contains different things or is used for different purposes: She’s a mother and company director in one. It’s a public relations office, a press office and a private office all in one.
See also: one
Farlex Partner Idioms Dictionary
See also:
  • (all) in one
  • in sync
  • in sync (with someone or something)
  • in/out of sync
  • twist the lion's tail
  • get the draw on
  • get the draw on (someone or something)
  • get the drop on
  • get the drop on (someone or something)
  • get the drop on someone
References in periodicals archive
Thirteen years ago, Vee, age 15, was sitting in one of those tiny garages when a Mexican teenager rode up, Long Beach-style, on a bicycle and pumped two bullets into his leg and side.
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"Guards took him out of the cell he was in and put him in one that didn't have the video camera," Gordon says.
Ill-treatment on our shores
Here we had three empty bedrooms, and the families we met in Juarez were living in one room."
Borderline Christianity
Little did Dornan know that, in addition to sparking a fascinating congressional investigation, his case would expose fundamental weaknesses in one of the most sweeping programs regulating private employment decisions ever implemented by the federal government.
Identity crisis: if the government is serious about keeping illegal immigrants from working, a national ID card may be inevitable
(That's why Operation Safeguard was set up in Arizona on January 1.) The immigrant flow is like a balloon; squeeze it in one place and it pops up in another.
"I'd say they're wrong 50 percent of the time, and that's being generous." In one recent case, Larrabee represented a San Diego sock factory where the INS claimed to have found 15 illegal aliens working.
Bringing the border war home