It means, their nipples turned inward in lieu of pointing outward. (welcomeparenthood.com)
Out of the ticketed drivers, 645 chose to attend traffic school in lieu of points going on their Florida driver's license. (lowestpricetrafficschool.com)
If you receive a ticket for a non-criminal moving violation, and you do not hold a commercial driver license, you may elect to attend a basic driver improvement course in lieu of points on your driving record. (comedydefensivedriving.com)