Definition of pisometacarpal in US English:

pisometacarpal

(also pisimetacarpal)

adjective

Anatomy
  • Of or relating to the pisiform and metacarpal bones; specifically designating a ligament that extends between the pisiform and the base of the fifth metacarpal bone, as part of the tendon of insertion of the flexor carpi ulnaris muscle.

Origin

Late 19th century. From pis- + -o- + metacarpal, after scientific Latin pisometacarpeus.

Pronunciation

pisometacarpal

/ˌpʌɪsəʊmɛtəˈkɑːpl/