xiphias gladius is a noun meaning "large toothless marine food fish with a long swordlike upper jaw; not completely cold-blooded i.e. they are able to warm their brains and eyes: worldwide in warm waters but feed on cold ocean floor coming to surface at night". It carries one recorded sense.
Definitions, synonyms and semantic relations for xiphias gladius come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.