| chambered nautilus | (n) cephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions, Syn. pearly nautilus, nautilus |
| 鸚鵡貝 | [おうむがい;オウムガイ, oumugai ; oumugai] (n) (uk) chambered nautilus (esp. species Nautilus pompilius) [Add to Longdo] |