ligature
noun
[ ˈlɪɡətʃə ]
• a thing used for tying or binding something tightly.
• "there was no sign of the ligature which strangled her"
• a slur or tie.
• a character consisting of two or more joined letters, e.g. æ, fl.
ligature
verb
• bind or connect with a ligature.
• "he ligatured the duodenum below the pylorus"
Origin:
Middle English: via late Latin ligatura from Latin ligat- ‘bound’, from the verb ligare .