Find the word definition

The Collaborative International Dictionary
Inframedian

Inframedian \In`fra*me"di*an\, a. [Infra + median.] (Zo["o]logical Geog.) Of or pertaining to the interval or zone along the sea bottom, at the depth of between fifty and one hundred fathoms.
--E. Forbes.

Wiktionary
inframedian

a. Of or relating to the interval or zone along the sea bottom, at the depth of between fifty and one hundred fathoms.