Definition from Wiktionary, the free dictionary
|precious thing; treasure||bead; pearl||female; mother|
|simp. and trad.
- Mother-of-pearl. It is the shell of the pearl oyster of the Pteriidae family of saltwater clams. It is not closely related to the shell of the true oyster, 牡蛎, of the Ostreidae family. (Powdered 珍珠母 is used in traditional Chinese medicine to treat hypertension, cataract, night blindness, insomnia, palpitation, poor memory and ulcers.)