1. To unite, or form a connection between, as between families by marriage, or between princes and
states by treaty, league, or confederacy; — often followed by to or with.
O chief! in blood, and now in arms allied.
Pope.
2. To connect or form a relation between by similitude, resemblance, friendship, or love.
These three did love each other dearly well,
And with so firm affection were allied.
Spenser.
The virtue nearest to our vice allied.
Pope.
Ally is generally used in the passive form or reflexively.
Ally
(Al*ly") n.; pl. Allies [See Ally, v.]
1. A relative; a kinsman. [Obs.] Shak.
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. See Alley, a marble or taw.
Allyl
(Al"lyl) n. [L. allium garlic + -yl.] (Chem.) An organic radical, C3H5, existing especially in oils of
garlic and mustard.
Allylene
(Al"ly*lene) n. (Chem.) A gaseous hydrocarbon, C3H4, homologous with acetylene; propine.
Alma
(Al"ma, Al"mah) n. Same as Alme.
Almacantar
(Al`ma*can"tar) n. (Astron.) (a) Same as Almucantar. (b) A recently invented instrument
for observing the heavenly bodies as they cross a given almacantar circle. See Almucantar.
Almadia
(||Al`ma*di"a ||Al"ma*die) n. [F. almadie fr. Ar. alma'diyah a raft, float.] (Naut.) (a) A bark
canoe used by the Africans. (b) A boat used at Calicut, in India, about eighty feet long, and six or seven
broad.
Almagest
(Al"ma*gest) n. [F. almageste, LL. almageste, Ar. al-majisti, fr. Gr. the greatest composition.]
The celebrated work of Ptolemy of Alexandria, which contains nearly all that is known of the astronomical
observations and theories of the ancients. The name was extended to other similar works.
