Definition of plexor in US English:

plexor

(also plessor)

noun

  • A small hammer with a rubber head used to test reflexes and in medical percussion.

    • ‘The pleximeter is held firmly into an intercostal space while two quick uniform taps with the plexor, using wrist action, are delivered to it.’

Origin

Mid 19th century: formed irregularly from Greek plēxis ‘percussion’ (from plēssein ‘to strike’) + -or.

Pronunciation

plexor

/ˈpleksər/