fluting

noun

wood defect whose bark and rings cross section shows undulation instead of forming a circle

A decoration consisting of parallel, normally vertical, flutes (grooves) incised into the surface.
“Flutings also adorn the short architraves each side of the fanlight, and the abacus of the pilaster columns which is carried across a supplementary lintel in front of the lintel proper, the latter being several inches to the rear because of the deeply recessed arrangement of the door.”
The act of making such grooves.
A flute-like sound.
A fluted pleat; a small, rounded or pressed pleat used as trimming on a garment.
The erosional process by which a well-jointed coarse-grained rock, such as granite or gneiss, surface develops a set of flutes.