toothing

The act or process of indenting or furnishing with teeth.

Teething (growing of teeth).

Tooth-like projections from the perforated edges of a stamp after separation along from its sheet.

Business, Construction, Manufacturing Bricks alternately projecting at the end of a wall, in order to be bonded into a continuation of it when the remainder is carried up.

Biology, Botany, Natural sciences A configuration of a leaf margin with teeth, such as of a dentate, serrate, or crenate leaf.

The suppose use of Bluetooth-enabled mobile phones or PDAs to arrange random sexual encounters (a hoax intended to highlight journalists' gullibility and poor fact-checking if they reported it as real).