2. One united to another by treaty or league; — usually applied to sovereigns or states; a confederate. The English soldiers and their French allies. Macaulay.
3. Anything associated with another as a helper; an auxiliary. Science, instead of being the enemy of religion, becomes its ally. Buckle.
4. Anything akin to another by structure, etc.
ALLY
Al"ly, n.
Defn: See Alley, a marble or taw.
ALLYL
Al"lyl, n. Etym: [L. allium garlic + -yl.] (Chem.)
Defn: An organic radical, C3H5, existing especially in oils of garlic and mustard.
ALLYLENE
Al"ly*lene, n. (Chem.)
Defn: A gaseous hydrocarbon, C3H4, homologous with acetylene; propine. CH3.C.CH
ALMA; ALMAH
Al"ma, Al"mah, n.