Japanese

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For pronunciation and definitions of つのかくし – see the following entry.
角隠し
[noun] a kind of bridal headdress made of a wide band of silk, commonly but not exclusively white, that encircles the bride's hair, with the topknot rising through the middle
[noun] (Buddhism, historical) a specific kind of headdress worn by practitioners of 浄土真宗 (Jōdo Shinshū, True Pure Land Buddhism), of a similar boat shape as the modern bridal headdress, but originally made of black silk
(This term, つのかくし, is the hiragana spelling of the above term.)