noun
plural dots
[count] a small round mark
a small spot :a small area that is different in color from the main part
a short signal (such as a sound or a flash of light) that represents a letter or a part of a letter in Morse code
connect the dots
on the dot
informal :exactly at a particular time
since the year dot
verb
dots; dotted; dotting
[+ obj] to mark (something) with a dot
If you dot the/your i's and cross the/your t's, you make sure that all of the small details in something have been completed.
to appear at many different places on the surface of (something)
to put a small amount of something on different parts of (a surface)