紐帯 （チュウタイ） important connection, important social foundation, close relation, tight relationship, intimate relation, close link

紐 （ひも） string, cord, man who is financially dependent on a woman, gigolo, pimp, restrictions, conditions, mantle (shellfish, etc.), small intestine (beef, pork), oviduct meat (chicken)

紐鏡 （ひもかがみ） small ancient mirror tied with a cord

おぶい紐 （おぶいひも） baby backpack, back-mounted baby carrier, sling

投石紐 （とうせきひも） sling (weapon)