oak fern
noun
a small woodland fern, Gymnocarpium dryopteris, of northern regions, having triangular, pinnate fronds that slant horizontally.
Origin of oak fern
1540–50; translation of Latin
dryopteris < Greek
dryopterís, equivalent to
dryo- (combining form of
drŷs oak) +
ptéris fern
Words nearby oak fern
oaf,
oahu,
oak,
oak apple,
oak creek,
oak fern,
oak forest,
oak gall,
oak harbor,
oak lawn,
oak leaf cluster
British Dictionary definitions for oak fern
oak fern
noun
a graceful light green polypody fern, Thelypteris dryopteris, having a creeping rhizome, found in acid woodlands and on rocks in the northern hemisphere