• noun:   a round fastener sewn to shirts and coats etc to fit through buttonholes
• noun:   any of various plant parts that resemble buttons
• noun:   an electrical switch operated by pressing a button

  Example: "The elevator was operated by push buttons"

• noun:   a female sexual organ homologous to the penis
• verb:   fasten with buttons

  Example: "Button the dress"

• verb:   provide with buttons

  Example: "Button a shirt"

• name:  A surname (rare: 1 in 33333 families; popularity rank in the U.S.: #3725)

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