button

button (http://definr.com/button)

     n 1: a round fastener sewn to shirts and coats etc to fit through
          buttonholes
     2: an electrical switch operated by pressing a button; "the
        elevator was operated by push buttons"; "the push beside
        the bed operated a buzzer at the desk" [syn: push button,
         push]
     3: any of various plant parts that resemble buttons
     4: a female sexual organ homologous to the penis [syn: clitoris,
         clit]
     v 1: provide with buttons; "button a shirt"
     2: fasten with buttons; "button the dress" [ant: unbutton]