(affectionate) fictive kinship]] title for a close male friend of one's parent or parents.
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The brother or brother-in-law of one’s parent.
December 1843, William Makepeace Thackeray, "Grant in Paris" (review), in ''Fraser's Magazine''
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The male cousin of one’s parent.
: A chain hangs out of the pocket of his velvet waistcoat , by which we may conclude that he has a watch , though we have known many gents whose watches were at their '''uncle's''' (as the fashionable term for the pawnbroker goes)
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