butt on

(noun) a round fastener sewn to shirts and coats etc to fit through buttonholes. Synonyms: button.

(noun) an electrical switch operated by pressing. Synonyms: push button, push, button. Examples: "The elevator was operated by push buttons." "The push beside the bed operated a buzzer at the desk."

(noun) any of various plant parts that resemble buttons. Synonyms: button.

(noun) a round flat badge displaying information and suitable for pinning onto a garment. Synonyms: button. Example: "They passed out campaign buttons for their candidate."

(noun) a female sexual organ homologous to the penis. Synonyms: clitoris, clit, button.

(noun) a device that when pressed will release part of a mechanism. Synonyms: release, button.

(noun) any artifact that resembles a button. Synonyms: button.

(verb) lie adjacent to another or share a boundary. Synonyms: border, adjoin, edge, abut, march, butt, butt against, butt on. Examples: "Canada adjoins the u.s.." "England marches with scotland."

(verb) provide with buttons. Synonyms: button. Example: "Button a shirt."

(verb) fasten with buttons. Synonyms: button. Example: "Button the dress."