冇弦 [－－]

Jyutping mou5 jin4
Pinyin mǎo xián

Definitions (Wiktionary)
  1. noun, Teochew
    yehu; a Chinese bowed string instrument with two strings and a coconut shell body
    (syn.) 洪弦, 冇弦, 嗡弦, 椰胡, 冇管