A triangle at an intersection, formed by the two roads or rights-of-way and a third line, which must be kept clear of obstructions such as hedges so that people in one road can see cars approaching...

A surname.

(intransitive, rare) To slack up; be or grow slack; pall. / (transitive, obsolete) To be slack in; neglect by idleness; relax; render slack; delay; lose or spoil by slackness.

to shake again