ligature
n
1 thread, bandage, etc used for tying, esp in surgical operations (用作綁縛的)線, 繃帶; (尤指外科的)結扎線, 縛線.
2 (music 音) smooth combination of two or more notes of different pitch, or mark indicating this; slur; tie 連音; 連結線.
3 (in printing) two or more joined letters, such as or (印刷的)連字(如或).