1. [n]  the shorter of the two telegraphic signals used in Morse code
2. [n]  a very small circular shape; "a row of points"; "draw lines between the dots"
3. [v]  make a dot or dots
4. [v]  mark with a dot; "dot your 'i's"
5. [v]  distribute loosely; "He scattered gun powder under the wagon."
6. [v]  scatter or intersperse like dots or studs; "Hills constellated with lights"

1. \Dot\, n. [F., fr. L. dos, dotis, dowry. See {Dower}, and
   cf. {Dote} dowry.] (Law)
   A marriage portion; dowry. [Louisiana]
   

2. \Dot\, n. [Cf. AS. dott small spot, speck; of uncertain
   origin.]
   1. A small point or spot, made with a pen or other pointed
      instrument; a speck, or small mark.
   2. Anything small and like a speck comparatively; a small
      portion or specimen; as, a dot of a child.
   

3. \Dot\, v. t. [imp. & p. p. {Dotted}; p. pr. & vb. n.
   {Dotting}.]
   1. To mark with dots or small spots; as, to dot a line.
   2. To mark or diversify with small detached objects; as, a
      landscape dotted with cottages.
   

4. \Dot\, v. i.
   To make dots or specks.
   

decimal point.

See also dot file, dot notation.