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

(gambling) Odds which are set higher than expected or warranted. Favorable odds.

(horse racing) A horse going off at higher odds than it appears to warrant, based on its past performances.

A decal attached to a computer keyboard to relabel the keys.

(programming) A block of program code that is loaded over something previously loaded, so as to replace the functionality.

(Internet) A pop-up covering an existing part of the display.

(Scotland) A cravat.

A covering over something else.

(transitive) To lay, spread, or apply something over or across; cover.

To overwhelm; to press excessively upon.

(transitive, printing) To put an overlay on.

(transitive, gambling) To bet too much money on.

simple past of overlie