knurl

knurl (nʉrl)

noun

a knot, knob, nodule, etc.
any of a series of small beads or ridges, as along the edge of a coin or on a dial
Scot. a short, thickset person

Etymology: prob. blend of knur + gnarl

transitive verb

to make knurls on; mill

knurled adjective

Object

knob: Each control is operated via a large knurled knob which turns a screw thread to effect motion.
screw: The slide clamp, a simple design, can be removed in seconds if need be by unscrewing one small knurled screw.
nut: Removal is achieved without the use of tools simply by turning a knurled nut.
ring: The view magnifier can be adjusted from - 3 to +5 diopters by turning the knurled setting ring.
crown: Sporty looking with fixed outer 60 minute bezel and knurled crown.
wheel: The grind adjustment is simply made by turning a knurled wheel just above the metal compartment lid.

Infinitive complement

give: The buttons / crowns are engine turned knurled to give an attractive and modern look.

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