dog sittern. originally U.S. a person who takes care of a dog in the absence of its owner.
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1942 Sunday News & Tribune (Jefferson City, Missouri) 2 Oct. (Cartoon section) 4/3 Never hire a boy for a dog sitter if you don't want a case of alienation of affections!
2002 Gold Coast Bull. (Southport, Austral.) 7 Jan. 34/4 Need a dog-sitter to keep your canine company while you're out?