What does apprise mean?
The definition of apprise
Ap*prise”, v. t.
[imp. & p. p. Apprised; p. pr. & vb. n. Apprising.]
Etym: [F. appris, fem. apprise, p. p. apprendre to learn, to teach, to inform. Cf. Apprehend, Apprentice.]

To give notice, verbal or written; to inform; — followed by of; as, we will apprise the general of an intended attack; he apprised the commander of what he had done.

Ap*prise”, n.
Notice; information. [Obs.] Gower.