English

A knife-board omnibus

Noun

knifeboard ‎(plural knifeboards)

1. A board on which knives are cleaned or polished.
2. (historical, 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

3. (historical, by extension) An early bus with narrow, restrictive seating; a knifeboard bus.