Webster's Revised Unabridged Dictionary · 1913

Goad

Goad , noun

[Anglo-Saxon gād; perh. akin to Anglo-Saxon gār a dart, and English gore. See Gore, transitive verb]

A pointed instrument used to urge on a beast; hence, any necessity that urges or stimulates.
The daily goad urging him to the daily toil. — Macaulay

Goad , transitive verb

To prick; to drive with a goad; hence, to urge forward, or to rouse by anything pungent, severe, irritating, or inflaming; to stimulate.
That temptation that doth goad us on. — Shakespeare