subs. (obsolete).—The conductor’s place on an old-style omnibus.
1860. Punch, xxxviii. p. 186. I was on the MONKEY-BOARD behind.
1883. GREENWOOD, Tag, Rag, & Co., ‘Planting the “Sours.”’ The omnibus conductors … the ill-paid and hard-worked drudges of the MONKEY-BOARD.
