bluenose

[ bloo-nohz ]
/ ˈbluˌnoʊz /

noun

a puritanical person; prude.
(initial capital letter) Also Blue Nose. Canadian. an inhabitant of the Maritime Provinces, especially of Nova Scotia.
Nautical Slang.
  1. a sailing vessel of Nova Scotia.
  2. a seaman on such a vessel.

Origin of bluenose

1780–85 (def 2, 3); 1925–30, Americanism (def 1); blue + nose; (def 1) cf. blue law, etc.; (def 2, 3) originally a derisive name for a person residing in Nova Scotia before the Loyalists' arrival; allegedly so called from a variety of potato with a bluish tip, though there is no certain evidence for this or any of various other explanations of the name
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for bluenose

bluenose
/ (ˈbluːˌnəʊz) /

noun

US slang a puritanical or prudish person
(often capital) informal a native or inhabitant of Nova Scotia
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012