'Garter stitch' definitions:

Definition of 'garter stitch'

(from WordNet)
noun
A knitting stitch that results in a pattern of horizontal ridges formed by knitting both sides (instead of purling one side)

Definition of 'Garter stitch'

From: GCIDE
  • Garter stitch \Garter stitch\ The simplest stitch in knitting. [Webster 1913 Suppl.]