Noah Webster
Dot
DOT, noun [I know not the origin and affinities of this word. It would be naturally deduced from a verb signifying to set, or to prick, like punctum, point.] A small point or spot, made with a pen or other pointed instrument; a speck; used in marking a writing or other thing.
DOT, verb transitive
1. To mark with dots.
2. To mark or diversify with small detached objects; as a landscape dotted with cottages, or clumps of trees.
DOT, verb intransitive To make dots or spots.