(transitive) To fasten with a button or buttons. / (intransitive) To fasten all the buttons on a coat, or similar item of clothing, to keep warm.

(simile) Very cute.

plural of belly-button

plural of belly button

(simile) Very bright (clever, smart, or crafty) / (simile) Very cheery, energetic and upbeat.

An emergency button which, when pressed, alerts authorities of danger or triggers an alarm system.

present participle of button up

Third-person singular simple present indicative form of button up

(graphical user interface) A radio button.

(video games) A button on a joystick or joypad that corresponds to the action of firing a weapon, but often represents other in-game actions.