Definition of cometographer in US English:

cometographer

noun

historical
  • A person who studies or describes comets.

Origin

Late 17th century; earliest use found in John Goad (1616–1689), headmaster and meteorologist. From post-classical Latin cometographus + -er; compare -ographer.

Pronunciation

cometographer

/kɒmɪˈtɒɡrəfə/