Definition of tar circles :.
(tär sûr'kəls)
1. (n.pl.) Strange circles and other shapes found etched into a road that are sometimes believed to be created by flying saucers.
Origins: From crop circles and from the countless number of circles that crop up each day as we all drive to and from work.
Submitted by: SpeKiehl, Topics: Religion & Beliefs, Science & Technology, Travel

