Définitions
1.VerbTo make quiet or put at rest; to pacify or appease; to quell; to calm."to allay popular excitement; to allay the tumult of the passions"
2.VerbTo alleviate; to abate; to mitigate."to allay the severity of affliction or the bitterness of adversity"
3.VerbTo subside, abate, become peaceful.
4.VerbTo mix (metals); to mix with a baser metal; to alloy; to deteriorate.
5.VerbTo make worse by the introduction of inferior elements.
6.NounAlleviation; abatement; check.
7.NounAn alloy.