Definition of roll-down in English:

roll-down

noun

US
historical
  • More fully "(Japanese) roll down game". A game, usually played at a fair or arcade, in which balls are rolled on a board into numbered holes or slots. Also occasionally: a table or stall at which this is played.

Origin

Early 20th century; earliest use found in Daily Kennebec Jrnl (Augusta, Maine). From roll + down.

Pronunciation

roll-down

/ˈrəʊldaʊn/