In heraldry, similar to or resembling a cleche shape; sometimes describing a field with a cleche-like pattern or design.
From 'cleche' (heraldic square frame) plus '-y' suffix making it an adjective meaning having the quality of or resembling. This is a specialized heraldic terminology that developed in medieval England.
Heraldic terminology like 'clechy' shows how medieval nobles and their heralds had incredibly specific vocabulary for describing visual patterns—they needed precise terms so that complex designs could be accurately recorded and recognized on seals and banners.
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