• Webster's Revised Unabridged Dictionary
    • n Hardfern (Bot) A species of fern (Lomaria borealis), growing in Europe and Northwestern America.
    • ***
Century Dictionary and Cyclopedia
    • n hardfern A fern of the genus Lomaria, particularly L. Spicant. In Australia, where the genus is abundant, the name is given to all the species of Lomaria. See Lomaria.
    • ***