button

a device that when pressed will release part of a mechanism

an electrical switch operated by pressing

“the elevator was operated by push buttons”

a female sexual organ homologous to the penis

any artifact that resembles a button

any of various plant parts that resemble buttons

a round fastener sewn to shirts and coats etc to fit through buttonholes

a round flat badge displaying information and suitable for pinning onto a garment

“they passed out campaign buttons for their candidate”

fasten with buttons

“button the dress”

provide with buttons

“button a shirt”