Ephemera, s. An insect that lives only one day.

Epidemic, s. That which falls at once upon great numbers of people, as a plague; generally prevailing, affecting great numbers of men or animals.

Epilepsy, s. A convulsive motion of the whole body, or some of its parts, with a loss of sense. Vide Blaine, White, Percivall.

Equerry, s. Master of the horse.

Equestrian, a. Appearing on horseback; skilled in horsemanship; belonging to a horse.

Equipage, s. Furniture for a horseman; carriage, vehicle; attendance, retinue; accoutrements, furniture.

Equipoise, s. Equality of weight, equilibration.

Ergot, s. A sort of stub, like a piece of horn, placed behind and below the pastern joint.

Errhines, s. Powders which cause sneezing, by being blown up the nostrils. They are composed generally of hellebore, snuff, asarabacca, or turbith mineral.

Erysipelas, s. An eruption of a hot acrid humour.