(v.) To let someone keep doing something that's been banned or discontinued, because they were granted this right before the ban was imposed. To make an exception for a veteran and let him keep doing things the old way. Used in the past participle.
You can't get a license to drive a 200cc motorcycle here nowadays, but you'll still see old Smokey riding his around. He's grandfathered.
by WanderingDave August 28, 2006