herd -- (a group of cattle or sheep or other domestic mammals all of the same kind that are herded by humans)
herd -- (a group of wild mammals of one species that remain together: antelope or elephants or seals or whales or zebra)
ruck, herd -- (a crowd especially of ordinary or undistinguished persons or things; "his brilliance raised him above the ruck"; "the children resembled a fairy herd")
Overview of verb herd
The verb herd has 3 senses
herd, crowd -- (cause to herd, drive, or crowd together; "We herded the children into a spare classroom")
herd -- (move together, like a herd)
herd -- (keep, move, or drive animals; "Who will be herding the cattle when the cowboy dies?")