Definition of precaval in US English:

precaval

adjective

Anatomy Zoology
  • Of, relating to, or designating a cranial vena cava (in many mammals, the unpaired superior vena cava).

noun

Anatomy Zoology
  • A precaval vein.

Origin

Mid 19th century; earliest use found in Richard Owen (1804–1892), comparative anatomist and palaeontologist. From pre- + cava + -al.

Pronunciation

precaval

/priːˈkeɪvl/