SOUND[I, T]›to be aware of a sound through your ears: I could hear his voice in the distance.I can't hear - can you turn the sound up?
INFORMATION[I, T]›to be told some information: When did you first hear about this?Have you heard the news? Jane's back.[+ (that)]I hear that you're leaving.
LAW[T]›If a judge hears a case, they listen to it in a law court, to decide if someone is guilty or not.
will not hear of sth›If someone will not hear of something, they will not allow it: I wanted to pay for her meal but she wouldn't hear of it.