Webster's Revised Unabridged Dictionary · 1913

Glaver

Glaver , intransitive verb

[Of Celtic origin; compare Welsh glafr flattery.]

1.
To prate; to jabber; to babble. [Obsolete]
Here many, clepid filosophirs, glavern diversely. — Wyclif
2.
To flatter; to wheedle. [Obsolete]
Some slavish, glavering, flattering parasite. — South