(~s, ~ing, ~ed)
1.
If a part of your body, especially your throat, is ~ed or if it ~s, something causes it to become narrower.
Severe migraine can be treated with a drug which ~s the blood vessels...
My throat ~ed, so that I had to concentrate on breathing.
VERB: V n, V
2.
If something ~s you, it limits your actions so that you cannot do what you want to do.
She objects to the tests the Government’s advisers have devised because they ~ her teaching style...
= limit
VERB: V n