頭髓 [头－]

Jyutping tau4 seoi5
Pinyin tóu suǐ

Definitions (Wiktionary)
  1. noun, Quanzhou, Zhangzhou-Hokkien
    grey matter; brains; brain tissue
    (syn.) 脑髓, 腦髓, 頭殼碗髓, 碗髓, 头壳碗髓