roll-top - Wiktionary, the free dictionary

From Wiktionary, the free dictionary

• rolltop

roll-top (not comparable)

1. Having a top that rolls away when not needed.

• roll-top desk

roll-top (plural roll-tops)

1. Short for roll-top desk.
2. The flexible top of a roll-top desk.
3. An obstacle for a horse to jump over, having a rounded half-barrel appearance on top.

• trollop