Webster's Revised Unabridged Dictionary · 1913

Boll

Boll ({not transcribed}) , noun

[Old English bolle boll, bowl, Anglo-Saxon bolla. See Bowl a vessel.]

1.
The pod or capsule of a plant, as of flax or cotton; a pericarp of a globular form.
2.
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.

Boll ({not transcribed}) , intransitive verb

To form a boll or seed vessel; to go to seed.
The barley was in the ear, and the flax was bolled. — Ex. ix. 31