Definitions of tie:

• noun:   a cord (or string or ribbon or wire etc.) with which something is tied

  Example: "He needed a tie for the packages"

• noun:   a horizontal beam used to prevent two other structural members from spreading apart or separating

  Example: "He nailed the rafters together with a tie beam"

• noun:   one of the cross braces that support the rails on a railway track

  Example: "The British call a railroad tie a sleeper"

• noun:   (music) a slur over two notes of the same pitch; indicates that the note is to be sustained for their combined time value
• noun:   equality of score in a contest
• noun:   neckwear consisting of a long narrow piece of material worn (mostly by men) under a collar and tied in knot at the front

  Example: "He stood in front of the mirror tightening his necktie"

• noun:   a fastener that serves to join or link
• noun:   the finish of a contest in which the score is tied and the winner is undecided

  Example: "Their record was 3 wins, 6 losses and a tie"

• noun:   a social or business relationship

  Example: "He was sorry he had to sever his ties with other members of the team"

• verb:   limit or restrict to

  Example: "I am tied to UNIX"

• verb:   finish a game with an equal number of points, goals, etc.

  Example: "The teams drew a tie"

• verb:   fasten or secure with a rope, string, or cord

  Example: "They tied their victim to the chair"

• verb:   form a knot or bow in

  Example: "Tie a necktie"

• verb:   unite musical notes by a tie
• verb:   make by tying pieces together

  Example: "The fishermen tied their flies"

• verb:   create social or emotional ties
• verb:   perform a marriage ceremony
• verb:   connect, fasten, or put together two or more pieces

  Example: "Tie the ropes together"