What is "reeding"

Reeding \Reed"ing\ (r[=e]d"[i^]ng), n. [From 4th Reed.]

1. (Arch.) A small convex molding; a reed (see Illust. (i) of Molding); one of several set close together to decorate a surface; also, decoration by means of reedings; -- the reverse of fluting.

   Note: Several reedings are often placed together, parallel to each other, either projecting from, or inserted into, the adjoining surface. The decoration so produced is then called, in general, reeding.

2. The nurling on the edge of a coin; -- commonly called milling.

n. 1 Decorative moulding of parallel strips that resemble reeds. 2 Milling on the edge of a coin. vb. (present participle of reed English)

Reeding is a technique wherein "reeds" are carved or milled into a surface.