pleural space pleuralgic • pleurapophysial · · · Info · Definitions · Characters · · pleural space · · Text Common · · Latin · · Scripts 13 · · Length 4 · · Syllables Definitions · · · (noun) the small potential space between the parietal and visceral layers of the pleura. Synonyms: pleural space. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 l latin small letter l U+006C p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075