Wiktionary
n. A forest being more or less free from human ecological disturbance.
WordNet
n. forest or woodland having a mature or overly mature ecosystem more or less uninfluenced by human activity [syn: old growth]
Wikipedia
Virgin Forest is a self-described B-movie starring Sarsi Emmanuel, who plays a barrio lass of Chinese ancestry; the late Miguel Rodriguez, as a Filipino-Spanish illustrado; and, Abel Jurado, who plays the lover of Sarsi's character.
Usage examples of "virgin forest".
Even dwarfed by the gigantic trees of the virgin forest, a man could breathe in the space beneath.
Neither Yura nor Tonia had ever been there, but listening to her, Yura could easily imagine those ten thousand acres of impenetrable virgin forest as black as night, and, thrusting into it like a curved knife, the bends of the swift stream with its rocky bed and steep cliffs on the Krueger side.
This is a gem--emerald or turquoise as the light changes it--set in the virgin forest.
Beyond the willows lay acre upon acre and mile upon mile of the virgin forest, civilization for now no more than a foothold on the edge of the continent.
These were hills, high and steep and with great deserted tracts of wild country set with virgin forest and sometimes overgrown in thick brush-tangles so that they must cut their way through or, sometimes, retrace their steps tediously and go round.
The hills rolled away, rising gradually towards the high central plateau ahead of them, and the valleys were clad with virgin forest.
After that they had to make their way through the virgin forest as best they might.