Open English Wordnet
Nouns
(n)buttona round fastener sewn to shirts and coats etc. to fit through buttonholes (n)push button, push, buttonan electrical switch operated by pressing“the elevator was operated by push buttons”,
“the push beside the bed operated a buzzer at the desk” (n)buttonany of various plant parts that resemble buttons (n)buttona round flat badge displaying information and suitable for pinning onto a garment“they passed out campaign buttons for their candidate” (n)release, buttona device that when pressed will release part of a mechanism (n)buttonany artifact that resembles a button (n)buttona specific area or icon in graphical user interface systems that is clicked or pressed in order to select a command or perform an action Verbs
(v)buttonprovide with buttons“button a shirt” (v)buttonfasten with buttons“button the dress”