noun alloy.
2. allay ·noun alleviation; abatement; check.
3. allay ·vt to diminish in strength; to abate; to subside.
4. allay ·vt to mix (metals); to mix with a baser metal; to alloy; to deteriorate.
5. allay ·vt to alleviate; to abate; to mitigate; as, to allay the severity of affliction or the bitterness of adversity.
6. allay ·vt to make quiet or put at rest; to pacify or appease; to quell; to calm; as, to allay popular excitement; to allay the tumult of the passions.