·adj Shaking; disturbing; discordant.
II. Jarring ·noun Discord; a clashing of interests.
III. Jarring ·p.pr. & ·vb.n. of Jar.
IV. Jarring ·noun A shaking; a tremulous motion; as, the jarring of a steamship, caused by its engines.
The vibrations and tremblings occasioned in some steam-vessels by the machinery. ...
The Sailor's Word-Book