term:

Instruct

instruct vt

: to provide (a jury) with explanation and directions regarding the law applicable to a case [the judge ed the jury that the plaintiff bears the burden of proof] [the jury was ed to ignore the attorney's comments]
vi
: to give instructions to a jury [the trial judge refused to on manslaughter "W. R. LaFave and A. W. Scott, Jr."]

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.