A line, groove, furrow or the like formed by the abutting edges of two parts of a thing; an… on a surface of rock, stone, etc.

A print or impression left by the foot of a person or animal, or by the tread of a person's shoe.

A narrow ridge on the surface of a flint.

transferred of physiographical features.

Each of a series of wavy ridges and furrows visible on sand, mud, or snow, or preserved on the bedding planes of sedimentary rocks, and formed by the…

Chiefly Geology = ripple mark, n. Cf. sand ripple n. at sand, n.2 compounds 2a.

The result of the action; a groove or set of grooves. Also figurative.

(a) Geology (see quot. 1863); (b) a wavy marking, stain, or blemish.

(see quot. 1871).

(a) Geology a mark made on a surface by a fragment of rock on the under-surface of glacier ice; (b) (see quot. 1893).

colour-markings in strata caused by the introduction of extraneous matter by the action of water.