1839 28 Dec. 505/3 An open omnibus-sleigh in Broadway is by no means..delectable.
1899 Jan. 529/1 In winter the cradle holes caused the omnibus sleighs to plunge down and bump and rear.
1981 (Nexis) 5 Jan. c14/1 A miniature of the omnibus sleigh that was used in New York after the Civil War.