bolter

noun

1. A person or thing that bolts, or runs suddenly.

2. (botany, horticulture) A plant that grows larger and more rapidly than usual.

3. (flour milling) A machine or mechanism that automatically sifts milled flour.

4. A person who sifts flour or meal.

5. (petroleum refining) A filter mechanism.

6. (Australia, sports) An obscure athlete who wins an upset victory.

7. (Australia, horseracing) A horse that wins at long odds.

8. (New Zealand, sports) In team sports, a relatively little-known or inexperienced player who inspires the team to greater success.

9. (US, politics) A member of a political party who does not support the party's nominee.

10. (military aviation) A missed landing on an aircraft carrier; an aircraft that has made a missed landing.

11. A kind of fishing line; a boulter.