a small, roundish mark made with or as if with a pen.

a minute or small spot on a surface; speck

There were dots of soot on the window sill.

anything relatively small or specklike.

a small specimen, section, amount, or portion

a dot of butter.

a period, esp. as used when pronouncing an Internet address.

Music .

a point placed after a note or rest, to indicate that the duration of the note or rest is to be increased one half. A double dot further increases the duration by one half the value of the single dot.

a point placed under or over a note to indicate that it is to be played staccato.

Telegraphy . a signal of shorter duration than a dash, used in groups along with groups of dashes and spaces to represent letters, as in Morse code.

Printing . an individual element in a halftone reproduction.

to mark with or as if with a dot or dots.

to stud or diversify with or as if with dots

Trees dot the landscape.

to form or cover with dots

He dotted a line across the page.

Cookery . to sprinkle with dabs of butter, margarine, or the like

Dot the filling with butter.

to make a dot or dots. ?

dot one's i's and cross one's t's, to be meticulous or precise

even to the smallest detail.

on the dot

Informal . precisely; exactly at the time specified

The guests arrived at eight o'clock on the dot.

the year dot

British Informal . very long ago.

noun

atom , circle , dab , droplet , fleck , flyspeck , grain , iota , jot , mite , mote , particle , period , pinpoint , point , speck , spot , tittle , dash , crumb , dram , drop , fragment , minim , modicum , molecule , ort , ounce , scrap , scruple , shred , smidgen , trifle , whit , dieresis , dowry , ellipsis , punctation , umlaut

verb

bespeckle , dab , dabble , fleck , freckle , pepper , pimple , sprinkle , stipple , stud , besprinkle , dapple , mottle , speck , dowry , iota , mark , mote , particle , period , point , speckle , spot