Definition of postclavicle in English:

postclavicle

noun

Ichthyology
  • In most bony fishes: each of one or more bones forming the posterior part of the pectoral girdle, lying behind, and partly overlapped by, the cleithrum, and having a spine projecting downwards into the muscles of the body wall.

Origin

Late 19th century; earliest use found in Theodore Gill (1837–1914). From post- + clavicle.

Pronunciation

postclavicle

/ˌpəʊs(t)ˈklavɪkl/