Ceterach n 1: small genus of Old World ferns; superseded in some classification systems which place plants of this genus in e.g. genera Asplenium and Pleurosorus [syn: {Ceterach}, {genus Ceterach}]
Ceterach \Cet"e*rach\, n. [F. c['e]t['e]rac, fr. Ar. shetrak.] (Bot.) A species of fern with fronds ({Asplenium Ceterach}). [1913 Webster]