頭胸甲 [头－－]

Jyutping tau4 hung1 gaap3
Pinyin tóu xiōng jiǎ

Definitions (Wiktionary)
  1. noun
    shell; carapace; crust (hard protective covering)
    (syn.) 介殼, 介壳, 甲壳, 蓋子, 甲殼, 蓋兒, 盖子, 盖儿