DCHP-1 Online
main patch Sealing, Nfld 
See quotes.
See also: patch (def 2.)
- 1933 THE MAIN PATCH The largest communal birthplace on the Newfoundland Floe of the Harp Seal.
- 1953 The use of scouting aeroplanes . . . has helped the fleet to more easily locate the main herd commonly called the "Main Patch."
- 1933 THE MAIN PATCH The largest communal birthplace on the Newfoundland Floe of the Harp Seal.