ligature

(noun) (music) a group of notes connected by a slur.

(noun) character consisting of two or more letters combined into one.

(noun) a metal band used to attach a reed to the mouthpiece of a clarinet or saxophone.

(noun) thread used by surgeons to bind a vessel (as to constrict the flow of blood).

(noun) something used to tie or bind. Synonyms: binder.

(noun) the act of tying or binding things together. Synonyms: tying.