roll top

American  

noun

1. a flexible, sliding cover for the working area of a desk, opening by rising upward and back in quadrantal grooves and rolling up beneath the top.

2. Also called rolltop desk.  Also called roll-top desk,.  a desk with such a cover.

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Etymology

Origin of roll top

An Americanism dating back to 1885–90

Example Sentences

It has a 400-cubic-centimeter, two-stroke, two-cylinder engine tucked in the back, and a convertible roll top.

From The Wall Street Journal

Lay a piece of chicken on the bottom half of each roll, top with a generous portion of the dressed romaine and add the shaved cheese, if using.

From Washington Post

Cover with each roll top, and serve with cornichons on the side, if desired.

From Washington Post

I love that it can switch between being a flap-style bag or a roll top, depending on how much stuff I’ve tried to pack in.

From The Verge

This waterproof pack has a roll top to keep out rain and a slick lining that can be turned inside out for easy cleaning.

From Seattle Times