n a round fastener sewn to shirts and coats etc to fit through buttonholes
n an electrical switch operated by pressing
n any of various plant parts that resemble buttons
n a round flat badge displaying information and suitable for pinning onto a garment
n a female sexual organ homologous to the penis
n a device that when pressed will release part of a mechanism
n any artifact that resembles a button
v provide with buttons
v fasten with buttons