2. To rest, to relieve: Medicine will allay a person's pain.
2. Narrow passage: This alley leads nowhere.
Alley follows the simple rule of adding an “s” to become a plural; alley, alleys: Cats prowled the alleys of the town.
Don't confuse "alleys" with allies, the plural of ally: France was just one of the allies of the United States during the war.
With money you can buy all the allies you want, but they are never worth the price.
It seemed to allay Fred's fears when he realized that the foundry that used a new alloy was just two alleys away from him; so he found himself an ally and they went there together.
2. To join with, unite, band together: "Many of the townspeople allied themselves in an effort to lower their taxes."
3. Etymology: from Old French alier, "combine, unite"; from a differentiated stem of aleier (source of alloy); from Latin alligare, "to bind to".