plessor plessimetry • plethodon · · · Info · Definitions · Synonyms · Characters · · plessor · · Text Latin · · Script 7 · · Length 3 · · Syllables Definitions · · · (noun) (medicine) a small hammer with a rubber head used in percussive examinations of the chest and in testing reflexes. Synonyms: plexor, percussor. · · Noun Definition 1 Synonyms · · · plexor · · Synonym 1 percussor · · Synonym 2 Characters · · e latin small letter e U+0065 l latin small letter l U+006C o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073