1) Collection of fronded plants 2) Type of garden 
A fernery is a specialized garden for the cultivation and display of ferns. In many countries, ferneries are indoors or at least sheltered or kept in a shadehouse to provide a moist environment, filtered light and protection from frost and other extremes; on the other hand, some ferns native to arid regions require protection from rain and humid c...
• (n.) A place for rearing ferns.
Fern'er·y noun A place for rearing ferns.