1but·ton 
/ˈbʌtn̩/ noun
plural but·tons /ˈbʌtn̩/ noun [count] 1 : a small, usually round piece of plastic, glass, metal, etc., that is sewn to a piece of clothing and is pushed through a loop or hole to fasten one part of the clothing to another part
▪ a skirt/coat button ▪ a dress with buttons down the back ▪ I lost a button on my jacket. ▪ He took off his tie and undid the top button of his shirt. — see color picture 2 US : a small, usually round sign that has a picture or words on the front and a pin on the back ◊People pin buttons to their clothing to show support for a person or idea.
▪ She was wearing a button that read “Support your local library.” ▪ a campaign button [=a button that shows support for someone's political campaign] —called also (Brit) badge 3 a : a small part of a machine that you push to make the machine work
▪ the on/off button ▪ Will you please push/press the ‘play’ button on the CD player? ▪ With a fax machine, you can send a document across the country with the touch/push of a button.
b : a small area on a computer screen that you click on to make the computer software do something
▪ If the information on the registration form is correct, click the ‘OK’ button. — see also hot button
▪ a skirt/coat button ▪ a dress with buttons down the back ▪ I lost a button on my jacket. ▪ He took off his tie and undid the top button of his shirt. — see color picture
▪ She was wearing a button that read “Support your local library.” ▪ a campaign button [=a button that shows support for someone's political campaign] —called also (Brit) badge
▪ the on/off button ▪ Will you please push/press the ‘play’ button on the CD player? ▪ With a fax machine, you can send a document across the country with the touch/push of a button.
b : a small area on a computer screen that you click on to make the computer software do something
▪ If the information on the registration form is correct, click the ‘OK’ button. — see also hot button
(as) cute as a button
informal : very cute
▪ Your nephew is cute as a button!
▪ Your nephew is cute as a button!
on the button
US, informal 1 : exactly at the specified time
▪ They arrived at noon on the button. [=on the dot, precisely] 2 : perfectly accurate
▪ Your guess was (right) on the button. [=on the nose]
▪ They arrived at noon on the button. [=on the dot, precisely]
▪ Your guess was (right) on the button. [=on the nose]
push the right buttons
informal : to do the things that are needed to produce a desired effect or result
▪ The coach knows how to push all the right buttons to get his players ready for the game.
▪ The coach knows how to push all the right buttons to get his players ready for the game.
push your buttons
informal : to do or say something just to make you angry or upset
▪ Don't pay any attention to her. She's just trying to push your buttons. ▪ Even though they're both adults now, Rita's brother still knows how to push her buttons. [=he is easily able to annoy or frustrate her]
▪ Don't pay any attention to her. She's just trying to push your buttons. ▪ Even though they're both adults now, Rita's brother still knows how to push her buttons. [=he is easily able to annoy or frustrate her]
