verb

• (intransitive) To tie; to confine by any ligature.
  "They that reap must sheaf and bind."
• (intransitive) To cohere or stick together in a mass.
  "We’ll throw it in just to make the cheese more binding."
• (intransitive) To be restrained from motion, or from customary or natural action, as by friction.
  "I wish I knew why the sewing machine binds up after I use it for a while."
• (intransitive) To exert a binding or restraining influence.
  "These are the ties that bind."

noun

• (countable) That which binds or ties.
• (countable) A troublesome situation; a problem; a predicament or quandary.
• (music, countable) A ligature or tie for grouping notes.
• (chess, countable) A strong grip or stranglehold on a position, which is difficult for the opponent to break.
  "the Maróczy Bind"