What is the meaning of Spattle?

A spatula.

A tool or implement for mottling pottery with colour.

To stir (something, typically ice cream) with a spattle (spatula).

Spawl; spittle.

To spit.

A small spate; a slight inundation or a sprinkle of rain.

To sprinkle or spatter; to mottle.

Source: wiktionary.org