GLAPISSANT, E, adj. squeaking, shrill.
    GLATTERON, V. Gratteron.
    GRATTER, v. a. to scratch, scrub or claw; to scrape or rake off; (le papier) to scrawl, write fast and ill; (une rentraiture) to smooth down with the nail; to pilfer, cabbage. 
    GRATTOIR, s. m. scratching knife, scraper. (Boyer's French Dictionary, 1848)

... Glatisant, the questing beast.  It had the head of a serpent, the body of a libbard, buttocks of a lion, foot of a hart, and in its body "there was a noise like that of thirty couple of hounds questing" (i.e. in full cry).  Sir Palomides the Saracen was for ever following this beast.—Sir T. Malory, History of Prince Arthur, ii. 52, 53, 149 (1470)... (Le morte d'Arthur, Brewer, v.2, 1915)