(1):
(n.) A Scotch measure, formerly in use: for wheat and beans it contained four Winchester bushels; for oats, barley, and potatoes, six bushels. A boll of meal is 140 lbs. avoirdupois. Also, a measure for salt of two bushels.
(2):
(v. i.) To form a boll or seed vessel; to go to seed.
(3):
(n.) The pod or capsule of a plant, as of flax or cotton; a pericarp of a globular form.