ˈroller-board
1. [roller n.1 6.] The board carrying the rollers in an organ. Also attrib.
| 1632 in J. Crosse York Mus. Festiv. (1825) App. 2 Item the rowler board carriages and keyes, xx li. 1840 Penny Cycl. XVI. 492/2 Figure 3 is a perspective view of a roller⁓board; AAA, the board on which the rollers are fixed. 1855 E. J. Hopkins Organ x. 47 There are..two distinct kinds of key-movement in common use in England; namely, the lever or fan-frame movement, and the roller-board movement. 1881 W. E. Dickson Pract. Organ-Building viii. 96 Rollers are in sets, like backfalls and squares, and are arranged symmetrically on a board called a roller-board. |
2. [roller n.1 7.] A board on rollers.
| 1958 J. Kerouac On Road i. x. 58 Dean was frightfully waked up by the legless man on the rollerboard. 1963 Lebende Sprachen VIII. 106/3 Roller-board.., Rollbrett zur Reparatur unter dem Wagen. |