burring

noun

1. the rough, prickly seedcase or fruit of certain plants, as the sticktight, cocklebur, etc.
2. a weed or other plant with burs
3. anything that clings like a bur
4. Dentistry a cutting or drilling bit
5. burr & burr

transitive verb burred, burring

1. to remove burs from
2. to burr