n. 1.a group of cattle or sheep or other domestic mammals all of the same kind that are herded by humans 2.a group of wild animals of one species that remain together: antelope or elephants or seals or whales or zebra 3.a crowd especially of ordinary or undistinguished persons or things herd v. 1.cause to herd, drive, or crowd together 2.move together, like a herd 3.keep, move, or drive animals
