from
The Collaborative International Dictionary of English v.0.48
Devonian \De*vo"ni*an\, a. (Geol.)
Of or pertaining to Devon or Devonshire in England; as, the
Devonian rocks, period, or system.
[1913 Webster]
{Devonian age} (Geol.), the age next older than the
Carboniferous and later than the Silurian; -- called also
the {Age of fishes}. The various strata of this age
compose the Devonian formation or system, and include the
old red sandstone of Great Britain. They contain, besides
plants and numerous invertebrates, the bony portions of
many large and remarkable fishes of extinct groups. See
the Diagram under {Geology}.
[1913 Webster]