Definition of myctophid in US English:

myctophid

noun

Zoology
  • Any of various small deep-water marine fishes constituting the family Myctophidae, characterized by luminous organs along the sides.

adjective

Zoology
  • Of or belonging to the family Myctophidae.

Origin

1930s; earliest use found in John Roxborough Norman (1898–1944). From scientific Latin Myctophidae, family name from Myctophum, genus name (C. S. Rafinesque Indice d'Ittiologia Siciliana 56; from ancient Greek μυκτήρ nostril + ὄϕις serpent: see ophio-) + -idae.