tie 
(tī)
(tī)v. tied, ty·ing (tīĭng), ties
v.tr.
1. To fasten or secure with or as if with a cord, rope, or strap: tied the kite to a post; tie up a bundle.
2. To fasten by drawing together the parts or sides and knotting with strings or laces: tied her shoes.
3.
a. To make by fastening ends or parts: tie a knot.
b. To put a knot or bow in: tie a neck scarf.
4. To confine or restrict as if with cord: duties that tied him to the office.
5. To bring together in relationship; connect or unite: friends who were tied by common interests; people who are tied by blood or marriage.
6.
a. To equal (an opponent or an opponent's score) in a contest.
b. To equal an opponent's score in (a contest): tied the game with minutes remaining.
7. Music To join (notes) by a tie.
v.intr.
1. To be fastened or attached: The apron ties at the back.
2. To achieve equal scores in a contest.
n.
Phrasal Verbs: 1. A cord, string, or other means by which something is tied.
2. Something that connects or unites; a link: a blood tie; marital ties.
3. A necktie.
4. A beam or rod that joins parts and gives support.
5. One of the timbers or slabs of concrete laid across a railroad bed to support the rails.
6.
a. An equality of scores, votes, or performance in a contest: The election ended in a tie.
b. A contest so resulting; a draw.
7. Music A curved line above or below two notes of the same pitch, indicating that the tone is to be sustained for their combined duration.
tie in
1. To bring into or have a harmonious or effective relation; connect or coordinate: His explanation of what happened ties in with ours. We tied the new room in with the existing decor.
2. To include as part of a promotional tie-in: tied the movie in with their car brand.
tie into
To attack energetically.
tie up
Idioms: 1. Nautical To secure or be secured to a shore or pier; dock.
2. To impede the progress of; block: The accident tied up traffic.
3. To keep occupied; engage: She was tied up in a meeting all morning. The phone was tied up for an hour.
4. To place (funds) so as to make inaccessible for other uses: tied up her cash in long-term investments.
tie one on Slang
To become intoxicated; go on a drinking spree.
tie the knot Slang
1. To get married.
2. To perform a marriage ceremony.
[Middle English teien, from Old English tīgan; see deuk- in the Appendix of Indo-European roots.]
tierailroad ties