A single link or segment in a chain, or in heraldry, a chain depicted in segments.
From French 'chaînon' (meaning chain link or link), derived from 'chaîne' (chain) + diminutive suffix '-on'. Borrowed into English from heraldic terminology.
In heraldry, a chainon represents connectivity and strength through unity—one link alone breaks, but many linked together become unbreakable, making it a symbol that governments adopted for seals and flags.
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