Słownik polsko-angielski 
                        mar.,rad-lok. guardship; markership
Wordnet polsko-angielski 
                         (a warship (at anchor or under way) required to maintain a higher degree of readiness than others in its squadron) 
guard ship 
Wojskowy słownik polsko-angielski Copyright by Wydawnictwo HaraldG (aut. Tadeusz J. Grzebieniowski)
                        m mors. escort vessel, guardship