Definition of anglos:
(n) :
An English person or person of English ancestry.
(n) :
(Southwestern US, informal, sometimes offensive) A North American, especially a white one (regardless of actual ethnicity), whose native language is English (as opposed to Americans who have another native language).
(n) :
(nonstandard) A British person or person of British ancestry.
(n) :
(Australia, informal) An Anglo-Australian (as opposed to Australians of Mediterranean or Middle Eastern background)
(n) :
(Canada, informal) An English-speaking Quebecer.
(n) :
An anglo concertina.