Photophore
Pronunciation : Pho"to*phore
Part of Speech : n.
Definition : 1. (Med.) A form of endoscope using an electric light.
2. (Zo?l.) A light-emitting organ; specif., one of the luminous spots on certain marine (mostly deep-sea) fishes.
[Photo- + Gr. to bear.]
Source : Webster's Unabridged Dictionary, 1913