knifeboard

English

A knife-board omnibus

From knife +‎ board.

knifeboard (plural knifeboards)

A board on which knives are cleaned or polished.
(historical, chiefly attributive) A way of arranging benches back to back, resembling a knifeboard; common on the open upper deck of early double-deck omnibuses and trams.
knifeboard seating
- Arthur Smith, A Summer Idyll
  On 'busses' knifeboards stretch'd, / The City clerks all tongue-protruded lay.
(historical, by extension) An early bus with narrow, restrictive seating; a knifeboard bus.