Sea rat

Sea´ rat`

1.A pirate.
2.(Zool.) The chimæra.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Finland-based cyber security-company F-Secure said that the malware, dubbed as NanHaiShu (South China Sea rat in Chinese) suspected to be from China, is a Remote Access Trojan (RAT) that allows attackers to exfiltrate data from infected machines.
He gets his wish when Redwall Abbey is invaded by an army of rats led by Cluny the Scourge, a gigantic sea rat. The abbey is well protected, but Cluny and his minions won't rest until the abbey is theirs.
There's a lovely scene where he meets a sea rat who's travelled the world and he invites him on his travels.