A "doctor bag" is a special bag or satchel that doctors use to carry their medical tools, like stethoscopes, bandages, and medicines, so they can provide medical care wherever they go. Full definition
It features two flat doctor bag handles and it comes with a handy adjustable shoulder strap. (layow.com)
At Coach's fall 2017 New York Fashion Week show in February, Vevers showed off irreverent fare such as leather doctor bags covered in prints of vintage cars or cherries. (fortune.com)
The twins rolled out a super luxe collection of doctor bag... (elle.com)