JAR (4)

Jar, v. t. 1. 1. To cause a short, tremulous motion of, to cause to tremble, as by a sudden shock or blow; to shake; to shock; as, to jar the earth; to jar one's faith.
2. 2. To tick; to beat; to mark or tell off.
My thoughts are minutes, and with sighs they jar Their watches on unto mine eyes. Shak.