The process of cutting or forming grooves (gullets) in something, often in masonry or metalwork.
From 'gullet' (a groove or channel), likely from Old French 'goulet.' The '-ing' suffix makes it a present participle or gerund.
In stonemasonry, a 'gullet' is actually a decorative groove—the same word as your throat, because both are channels! Medieval craftsmen named things with practical poetry.
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