The noun dot has 4 senses (first 1 from tagged texts)
1. (14) point, dot -- (a very small circular shape; "a row of points"; "draw lines between the dots")
2. Department of Transportation, Transportation, DoT -- (the United States federal department that institutes and coordinates national transportation programs; created in 1966)
3. dot, dit -- (the shorter of the two telegraphic signals used in Morse code)
4. acid, back breaker, battery-acid, dose, dot, Elvis, loony toons, Lucy in the sky with diamonds, pane, superman, window pane, Zen -- (street name for lysergic acid diethylamide)
Overview of verb dot
The verb dot has 4 senses (first 1 from tagged texts)
1. (3) dot, stud, constellate -- (scatter or intersperse like dots or studs; "Hills constellated with lights")
2. scatter, sprinkle, dot, dust, disperse -- (distribute loosely; "He scattered gun powder under the wagon")