Webster's Revised Unabridged Dictionary · 1913

Jolt

Jolt (jōlt) , intransitive verb

[Probably from jole, joll, jowl, and orig. meaning, to knock on the head. See Jowl.]

To shake with short, abrupt risings and fallings, as a carriage moving on rough ground; as, the coach jolts.

Jolt , transitive verb

1.
To cause to move with a sudden motion, especially an up and down motion, as in a carriage going over rough ground, or on a high-trotting horse; as, the horse jolts the rider; fast driving jolts the carriage and the passengers.
2.
To stun or shock a person physically, as with a blow or electrical shock; as, the earthquake jolted him out of bed.
3.
To stun or shock or change the mental state of (a person) suddenly, as if with a blow; as, the sight of the house on fire jolted him into action; his mother's early death jolted his idyllic happiness.

Jolt , noun

1.
A sudden shock or jerk; a jolting motion, as in a carriage moving over rough ground.
The first jolt had like to have shaken me out. — Swift
2.
A physical or psychological shock; see jolt transitive verb senses 2 and 3; as, the stock market plunge was a big jolt to his sense of affluence; he touched the casing of the ungrounded motor and got a jolt from a short inside.
3.
Something which causes a jolt{2}; as, the bad news was a jolt.