sputum sputtery • sputumary · · · Info · Definitions · Synonyms · Characters · · sputum · · Text Latin · · Script 6 · · Length Definitions · · · (noun) expectorated matter; saliva mixed with discharges from the respiratory passages; in ancient and medieval physiology it was believed to cause sluggishness. Synonyms: phlegm. · · Noun Definition 1 Synonyms · · · phlegm · · Synonym 1 Characters · · m latin small letter m U+006D p latin small letter p U+0070 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075