Wiktionary
a. having a top that rolls away when not needed alt. having a top that rolls away when not needed
Usage examples of "roll-top".
The centerpiece of the room was the massive, roll-top desk situated between the two front windows overlooking the village green.
A roll-top desk was shoved into a corner, buried under ten pounds of unopened junk mail.
The big overstaffed chairs and couch were leather, and the desk, still littered with research papers, was a huge rosewood roll-top.
Once a year a dealer can count on a windfall - like selling a roll-top desk for seven hundred and fifty dollars.
Bill Sexton was sheriff, and I took to him right off, but I could also see that he was an office man, built for a swivel chair and a roll-top desk.
Here, the room was furnished as a study, with an oak roll-top desk in the corner opposite the doors, full bookcases along two walls and an upright piano placed before the gauze curtains of the bay window.