“Coat of arms” in Japanese
Short answer
Coat of arms in Japanese is “紋” (mon). Full meaning: (family) crest, coat of arms; pattern, figure; playing card suit (in karuta).
Other ways to say “Coat of arms” in Japanese
紋章
monshou crest, coat of arms
国章
kokushou national emblem, (national) coat of arms
紋標
monjirushi (family) crest, coat of arms; playing card suit (in karuta)
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