noun
Refers to a traditional Japanese family emblem, often seen on kimono, formal wear, or grave markers.
着物の背中に家の紋が入っている。
The family crest is on the back of the kimono.
noun
A decorative or repeated design on fabric, paper, or other surfaces.
この風呂敷には美しい花の紋が染めてある。
This wrapping cloth is dyed with a beautiful flower pattern.
noun
Used specifically for the suit of a card in traditional Japanese card games like karuta.
かるたの札には、それぞれ紋が描かれている。
Each karuta card has a suit drawn on it.
The kanji 紋 originally meant 'lines' or 'markings' and came to refer to family crests and decorative patterns. The reading もん is the on'yomi.