Japanese

家紋 (kamon): Various kinds of mon or family crest.

Imperial family crest and seal of Japan.	Family crest of the Tokugawa clan.
Family crest of the Oda clan.	Family crest depicting an upright arrowhead leaf.

Noun

家紋 ‎(hiragana かもん, romaji kamon)

1. a crest for a household or family

   Similar to the heraldic badges and coats of arms in European heraldic tradition. Initially held only by aristocratic families, then gradually adapted by commoners.

Synonyms

• 紋所 (もんどころ) ‎(mondokoro)
• 定紋 (じょうもん) ‎(jōmon)

References

1. ↑ 2006, 大辞林 (Daijirin), Third Edition (in Japanese), Tōkyō: Sanseidō, ISBN 4-385-13905-9