Meaning : A group of cattle or sheep or other domestic mammals all of the same kind that are herded by humans.
Meaning : A group of wild mammals of one species that remain together: antelope or elephants or seals or whales or zebra.
Meaning : A crowd especially of ordinary or undistinguished persons or things.
Example :
His brilliance raised him above the ruck.
The children resembled a fairy herd.
Synonyms : ruck