What is the meaning of Button?

A knob or disc that is passed through a loop or (buttonhole), serving as a fastener.

A mechanical device meant to be pressed with a finger in order to open or close an electric circuit or to activate a mechanism.

An on-screen control that can be selected as an activator of an attached function.

A badge worn on clothes, fixed with a pin through the fabric.

A bud.

The head of an unexpanded mushroom.

The clitoris.

The center (bullseye) of the house.

The soft circular tip at the end of a foil.

A plastic disk used to represent the person in last position in a poker game; also dealer's button.

The player who is last to act after the flop, turn and river, who possesses the button.

A person who acts as a decoy.

A raised pavement marker to further indicate the presence of a pavement-marking painted stripe.

The end of a runway.

A methaqualone tablet (used as a recreational drug).

A piece of wood or metal, usually flat and elongated, turning on a nail or screw, to fasten something, such as a door.

A globule of metal remaining on an assay cupel or in a crucible, after fusion.

A knob; a small ball; a small, roundish mass.

A small white blotch on a cat's coat.

A unit of length equal to 12 inch.

The means for initiating a nuclear strike or similar cataclysmic occurrence.

The oblate spheroidal mass of glass attaching a stem to either its bowl or foot.

In an instrument of the violin family, the near-semicircular shape extending from the top of the back plate of the instrument, meeting the heel of the neck.

Synonym of endbutton, part of a violin-family instrument.

Synonym of adjuster.

The least amount of care or interest; a whit or jot.

The punchy or suspenseful line of dialogue that concludes a scene.

The final joke at the end of a comedic act (such as a sketch, set, or scene).

A button man; a professional assassin.

The final segment of a rattlesnake's rattle.

A clove .

Pedicle; the attachment point for antlers in cervids.

To fasten with a button.

To be fastened by a button or buttons.

(Can we clean up this sense?) To stop talking.

Alternative form of botoun

Source: wiktionary.org