pericardial space is a noun meaning "the space between the layers of the pericardium that contains fluid that lubricates the membrane surfaces and allows easy heart movement". It carries one recorded sense.
the space between the layers of the pericardium that contains fluid that lubricates the membrane surfaces and allows easy heart movement
Definitions, synonyms and semantic relations for pericardial space come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.