To overload or overtax.
A sterile stratum that lies above the stratum being investigated
The rock and subsoil that lies above a mineral deposit such as a coal seam.
To put under cover; to sheal.
To promote or endorse in return for payment, especially dishonestly.
Any person paid to endorse a product.
An accomplice at a confidence trick during an auction or gambling game.
A house player in a casino.
A person paid to endorse a product while pretending to be impartial.