Definition of "Herd" :
noun: a group of cattle or sheep or other domestic mammals all of the same kind that are herded by humans
noun: a group of wild mammals of one species that remain together: antelope or elephants or seals or whales or zebra
noun: a crowd especially of ordinary or undistinguished persons or things
"The children resembled a fairy herd."
verb: move together, like a herd
verb: cause to herd, drive, or crowd together
"We herded the children into a spare classroom."
verb: keep, move, or drive animals
"Who will be herding the cattle when the cowboy dies?."