1) Hammer 2) Plessor 3) Plexor 1) Plessor 2) Plexor 
Synonym for plessor ... A small hammer, usually with soft rubber head, used to tap the part directly, or with a plessimeter, in percussion of the chest or other part. ... Synonym: percussor, plexor. ... Origin: G. Plesso, to strike ... (05 Mar 2000) ... 
(pәr-kus´әr) an instrument for performing percussion. percussion hammer.
Type: Term Pronunciation: per-kŭs′ŏr Synonyms: plessor
A percussor or plexor is a tool like a hammer with a rubber head which is used in medicine to tap the body lightly to evaluate the size, borders, and consistency of internal organs or body cavities.