male fern

American  

noun

1. a bright-green fern, Dryopteris filix-mas, of Europe and northeastern North America.

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male fern British  

noun

1. a fern, Dryopteris filix-mas, having scaly stalks and pinnate fronds with kidney-shaped spore-producing bodies on the underside: family Polypodiaceae

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Etymology

Origin of male fern

First recorded in 1555–65

Example Sentences

See Examples For:

male fern

Powdered male fern, a quarter of an ounce.

From The American Reformed Cattle Doctor by Dadd, George

The etheral extract of male fern in two dram doses may be given; fast, and follow in the course of a couple of hours by a brisk purgative; that is, calomel followed by salts.

From Mother's Remedies Over One Thousand Tried and Tested Remedies from Mothers of the United States and Canada by Ritter, Thomas Jefferson

Occasionally, by the side of a copse, we may come upon a great bed of the male fern, which frequently keeps green all the winter.

From Chatterbox, 1905. by Various

Often, about the same spots where the male fern flourishes, the Shield Fern displays its fronds, larger and broader, but fewer in number, and prettily toothed along their edges.

From Chatterbox, 1905. by Various

The extract of male fern used should have a guaranteed strength of 22 to 25 per cent of filicine and 3.5 per cent of filicic acid.

From Special Report on Diseases of Cattle by United States. Bureau of Animal Industry