from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A light-producing organ found especially in marine fishes that emits light from specialized structures or derives light from symbiotic luminescent bacteria.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A light-emitting organ, found in some fish and other marine animals.
from the GNU version of the Collaborative International Dictionary of English
- n. A form of endoscope using an electric light.
- n. A light-emitting organ; specif., one of the luminous spots on certain marine (mostly deep-sea) fishes.
from The Century Dictionary and Cyclopedia
- n. A luminous spot which has connection with the nervous system in fishes, especially in deep-sea species.
- n. An apparatus for illuminating any accessible internal part of the body for the purpose of inspection.
- n. In microscopy, an apparatus, including a mirror, for finding sections when immersed in a staining fluid; a section-finder.
From photo- (“light”) + -phore (“bearer”) (Wiktionary)