Herd \Herd\, v. i. [imp. & p. p. {Herded}; p. pr. & vb. n. {Herding}.] [See 2d {Herd}.] 1. To unite or associate in a herd; to feed or run together, or in company; as, sheep herd on many hills. 2. To associate; to ally one's self with, or place one's self among, a group or company. I'll herd among his friends, and seem One of the number. --Addison. 3. To act as a herdsman or a shepherd. [Scot.]