shut 
(shŭt)
(shŭt)v. shut, shut·ting, shuts
v.tr.
1.
a. To move (a door or lid, for example) so as to block passage through an opening.
b. To fasten with a lock, catch, or latch: shut the cabinet.
2. To block entrance to or exit from; close: shut a corridor.
3. To confine in a closed space: shut them in a cage.
4. To exclude from a closed space: shut the cats out of the house.
5. To fold up or bring together the parts of: shut the book.
6. To cause to stop operating: shut down a restaurant; a school that was shut for the vacation.
v.intr.
1. To move or become moved so as to block passage; close: a door that shuts by itself.
2. To stop operating, especially automatically: The electricity shuts off at midnight.
n.
Phrasal Verbs: 1. The act or time of shutting.
2. The line of connection between welded pieces of metal.
shut off
1. To stop the flow or passage of; cut off: shut off the hot water by closing a valve.
2. To close off; isolate: loners who shut themselves off from the community.
shut out Sports
To prevent (an opponent) from scoring any runs or points.
shut up
Idiom: 1. To cause (someone) to stop speaking; silence.
2. To stop speaking.
shut (one's) eyes to
To refuse to consider or acknowledge: administrators who shut their eyes to pervasive corruption.
[Middle English shutten, from Old English scyttan; see skeud- in the Appendix of Indo-European roots.]