[uh-lahyd, al-ahyd]


1. joined by treaty, agreement, or common cause:
allied nations.

2. related; kindred:
allied species.

3. of the same type or class; related

verb (used with object), allied, allying.

1. to unite formally, as by treaty, league, marriage, or the like (usually followed by with or to):
Russia allied itself to France. associate or connect by some mutual relationship, as resemblance or friendship.

verb (used without object), allied, allying. enter into an alliance; join; unite.