Overlay
Part of speech: verb
Definition: To lay, or spread, something over or across; to cover. To overwhelm; to press excessively upon. To smother with a close covering, or by lying upon. To put an overlay on.
Part of speech: noun
Definition: A piece of paper pasted upon the tympan sheet to improve the impression by making it stronger at a particular place. Odds which are set higher than expected or warranted. Favorable odds. A horse going off at higher odds than it appears to warrant, based on its past performances.
Sheathing
Part of speech: noun
Definition: Something that wraps around or surrounds something, as a sheath encases its blade.
Part of speech: verb
Definition: To put (something such as a knife or sword) into a sheath.