Definition of lace fern in US English:

lace fern

noun

  • Any of various ferns having finely dissected or laciniate fronds; especially Cheilanthes gracillima (family Pteridaceae) of Central and South America and Paesia scaberula (family Dennstaedtiaceae) of New Zealand.

Origin

Mid 19th century; earliest use found in Berrow's Worcester Journal.