Definition of prechordate in English:

prechordate

noun

Zoology
  • An animal considered to represent an evolutionary stage ancestral to the chordates.

adjective

Zoology
  • That is an evolutionary ancestor of the chordates; occurring or originating prior to the evolution of the chordates.

Origin

1920s. From pre- + chordate.

Pronunciation

prechordate

/priːˈkɔːdeɪt/