(1):

(n.) A piece of paper pasted upon the tympan sheet to improve the impression by making it stronger at a particular place.

(2):

(imp.) of Overlie

(3):

(n.) A covering.

(4):

(v. t.) To put an overlay on.

(5):

(v. t.) To smother with a close covering, or by lying upon.

(6):

(v. t.) To lay, or spread, something over or across; hence, to cover; to overwhelm; to press excessively upon.