(informal) Capable of being used to make a sandwich.
1956, "Americans Are Notorious For Their Informality", Meriden Record, 17 August 1956:Arrange them on a large or platter along with sliced pickles and tomatoes, luncheon meats, lettuce and other "sandwichable" items.
2000, "Bruegger's retreats in bagel wars", Courier Post (Cherry Hill, New Jersey), 7 January 2000:In my personal opinion, the kind of bagels we're used to in this area are not very sandwichable.
2003, Laurel Robertson (with Carol Flinders Bronwen Godfrey), The Laurel's Kitchen Bread Book: A Guide to Whole-Grain Breadmaking, Random House (2003), ISBN 0812969677, page 217:and in these days of soaring prices and shrinking hours, usually we would rather make sure the loaves we lavish our time and money on are going to be light as well as tasty, edible as well as incredible, free from holes and goo, and sliceable, even toasterable and sandwichable
