鑿頭 [凿头]

Jyutping zok6 tau4
Pinyin záo tóu

Definitions (Wiktionary)
  1. noun, Shanghainese-Wu
    chisel
    (syn.) 鑿, 鑿鑿, 鑿子, 鑿囝, 鑿頭, 鑿兒, 鑿仔