noun

1. A small, round spot.

   “a dot of colour”

2. (grammar) A punctuation mark used to indicate the end of a sentence or an abbreviated part of a word; a full stop; a period.

3. A point used as a diacritical mark above or below various letters of the Latin script, as in Ȧ, Ạ, Ḅ, Ḃ, Ċ.

Synonyms: tittle, full stop, period, point, dit, decimal point, speck, spot

verb

1. To cover with small spots (of some liquid).

   “His jacket was dotted with splashes of paint.”

2. To add a dot (the symbol) or dots to.

   “Dot your is and cross your ts.”

3. To mark by means of dots or small spots.

   “to dot a line”

Synonyms: stipple

preposition

1. Dot product of the previous vector and the following vector.