The Collaborative International Dictionary
Catstitch
Catstitch \Cat"stitch\ (k[a^]t"st[i^]ch), v. t. (Needlework) To fold and sew down the edge of with a coarse zigzag stitch.
Wiktionary
catstitch
vb. (context transitive English) To fold and sew down the edge of with a coarse zigzag stitch.