1dot 
/ˈdɑ:t/ noun
plural dots /ˈdɑ:t/ noun [count] 1 : a small round mark
▪ Put a dot over the i. ▪ The dots on the map represent cities. ▪ She said, “Go to Learners Dictionary dot com [=the Web site www.learnersdictionary.com] for more information.” — see also polka dot 2 : a small spot : a small area that is different in color from the main part
▪ You have a dot of ketchup on your shirt. ▪ As we drove away, the house became just a dot on the horizon. 3 : 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
▪ The Morse code for the letter v is three dots and a dash. — compare 2dash 7
▪ Put a dot over the i. ▪ The dots on the map represent cities. ▪ She said, “Go to Learners Dictionary dot com [=the Web site www.learnersdictionary.com] for more information.” — see also polka dot
▪ You have a dot of ketchup on your shirt. ▪ As we drove away, the house became just a dot on the horizon.
▪ The Morse code for the letter v is three dots and a dash. — compare 2dash 7
connect the dots — see connect
on the dot
informal : exactly at a particular time
▪ She arrived at 3 o'clock on the dot. = She arrived on the dot of 3. [=she arrived exactly at 3 o'clock]
▪ She arrived at 3 o'clock on the dot. = She arrived on the dot of 3. [=she arrived exactly at 3 o'clock]
since the year dot — see year
