Definition of bolls:
(n) :
The rounded seed-bearing capsule of a cotton or flax plant.
(n) :
A protuberance or excrescence growing on the trunks of some trees, a burl.
(v) :
To form a boll or seed vessel; to go to seed.
(n) :
(Scotland) An old dry measure equal to six bushels.
(n) :
A surname from the Germanic languages.
(n) :
A surname from German.