boll /ˈbol/
  圓莢
  Boll n.
  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. [Sometimes spelled bole.]
  Boll, v. i. [imp. & p. p. Bolled ] 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.
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  boll
       n 1: the rounded seed-bearing capsule of a cotton or flax plant
       2: German novelist and writer of short stories (1917-1985)
          [syn: Heinrich Boll, Heinrich Theodor Boll]