(sports) A non-official path created by hikers, and usually maintained by the hikers themselves.

plural of bot herd

(epidemiology) The indirect protection against the spread of a contagious disease in a given population caused by the immunity of a significant proportion of the population to that particular disease; the immunity may have been obtained through having survived the infection or through vaccination.

A stud boar, a male pig kept for breeding.

plural of herding dog

To push people or animals into a group, as a herd.

plural of herd path

plural of herding instinct

plural of herd behaviour

simple past tense and past participle of share-herd