Fluting

n. decorative grooves; indentation; groove; sounds from a flute; act of playing a flute

v. play a flute; speak or sing in flute-like tones; form grooves or channels

Fluting Geomorphology Fluting [geomorphology] (flut’-ing) A process of differential weathering and erosion by which an exposed well-jointed coarse-grained rock such as granite or gneiss, develops a corrugated surface of flutes; esp. the formation of small-scale ridges and depressions by wave action.Fluting [glacial geology] (a) the formation by glacial action of smooth deep gutterlike channels or furrows on the stoss side of a rocky hill obstructing the advance of a glacier; the furrows are larger than glacial grooves, and they do not extend around the hill to the lee side. Also, a furrow so formed. (b) Lineations or streamline grooves and ridges parallel to the direction of ice movement, formed in newly deposited till or older drift. They range in height from a few centimeters to 25 meters, and in length from a few meters to more than 20 km.
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Noun
1. a groove or furrow in cloth etc especially the shallow concave groove on the shaft of a column
(synonym) flute
(hypernym) groove, channel
(derivation) flute

Noun
1. a high-pitched woodwind instrument; a slender tube closed at one end with finger holes on one end and an opening near the closed end across which the breath is blown
(synonym) transverse flute
(hypernym) woodwind, woodwind instrument, wood
(hyponym) fife
2. a tall narrow wineglass
(synonym) flute glass, champagne flute
(hypernym) wineglass
3. a groove or furrow in cloth etc especially the shallow concave groove on the shaft of a column
(synonym) fluting
(hypernym) groove, channel
Verb
1. form flutes in
(hypernym) crimp, pinch
(derivation) fluting

Parallel concave channels used as a decorating device. If the channels are convex, it's called reeding.

Ribbing which is hammered into armoured plates for strength. Popular in Gothic armour Gothic armour during the 15th century, it was occasionally used in armour from other regions chiefly on tassets and to reinforce hte wings of poleyns .