A host, or heavenly host.
The heavenly host would imply all of the angels, or that is "what" they are part of. A gathering of angels is called a "flight of angels". Much like a "murder of crows", "covey of quail", or "clowder of cats".
I am going out on a limb here, but I do believe that a group of Angels is refered to in The Bible as a Host... Jesus being the LORD of Hosts
Angels is a plural word, for many angels. In the Bible, groups of angels are only called cherubims and seraphims. They are lower ranking angels. They are also referred to as God's messengers. The higher angels are all called archangels.
a group of angels are called a host of angels.
A collection of angels is a host.
galaxy
A herd.
A group of nine is called an ennead.
A group of galaxies is called a cluster.
The answer is: a pack ! Isn't that easy?
a group of unicorns is called a unicircle or unicluster
Sheep is always Sheep whether Plural or Singular
A forest, a grove, a wood, a copse, a stand of timber or even a jungle
a litter
I'm pretty sure it's a pack of dingos.
The Chillaxes
yes