N.E. Police Gaz. (Boston, MA) 18 Aug. 6/1: Break o’ Day Houses [...] are generally to be found in the immediate vicinity of the markets [i.e. in NY] [...] The doors are never closed and business is constantly in progress. There is a liquor bar and a large [...] restaurant. The bar does the most business.at break-o’-day drum (n.) under break, v.1