guard ship is a noun meaning "a warship (at anchor or under way) required to maintain a higher degree of readiness than others in its squadron". It carries one recorded sense.
a warship (at anchor or under way) required to maintain a higher degree of readiness than others in its squadron
Definitions, synonyms and semantic relations for guard ship come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.