dot

a very small circular shape; "a row of points"; "draw lines between the dots"

the United States federal department that institutes and coordinates national transportation programs; created in 1966

the shorter of the two telegraphic signals used in Morse code

street name for lysergic acid diethylamide

scatter or intersperse like dots or studs; "Hills constellated with lights"

distribute loosely; "He scattered gun powder under the wagon"

make a dot or dots

mark with a dot; "dot your `i's"