What does TIE mean?

noun

1. neckwear consisting of a long narrow piece of material worn (mostly by men) under a collar and tied in knot at the front“he stood in front of the mirror tightening his necktie”
2. a social or business relationship“a valuable financial affiliation”
3. equality of score in a contest
4. a horizontal beam used to prevent two other structural members from spreading apart or separating“he nailed the rafters together with a tie beam”
5. a fastener that serves to join or connect“the walls are held together with metal links placed in the wet mortar during construction”
6. the finish of a contest in which the score is tied and the winner is undecided“the game ended in a draw”
7. (music) a slur over two notes of the same pitch; indicates that the note is to be sustained for their combined time value
8. one of the cross braces that support the rails on a railway track“the British call a railroad tie a sleeper”