Glaver

Glav"er (?), v. i. [Of Celtic origin; cf. W. glafr flattery.] 1. To prate; to jabber; to babble. [Obs.]

Here many, clepid filosophirs, glavern diversely.
Wyclif.

2. To flatter; to wheedle. [Obs.]

Some slavish, glavering, flattering parasite.
South.