Stuart's Daily Word Spot: Mac

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Mac: noun -  also as Mc- the patronymic prefix in many Scottish & Irish names; someone whose name contains the prefix Mac-; a Scotsman, a familiar form of address to an unknown male; the trade name for a specific type of computer.
'There was some unintended irony in the way MacDonald called every man he met, "Mac", without ever realising it was an oblique reference to his own surname.'