The Collaborative International Dictionary of English v.0.48:

Potter \Pot"ter\, n. [Cf. F. potier.]
   1. One whose occupation is to make earthen vessels. --Ps. ii.
      9.
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            The potter heard, and stopped his wheel.
                                                  --Longfellow.
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   2. One who hawks crockery or earthenware. [Prov. Eng.] --De
      Quincey.
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   3. One who pots meats or other eatables.
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   4. (Zool.) The red-bellied terrapin. See Terrapin.
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   Potter's asthma (Med.), emphysema of the lungs; -- so
      called because very prevalent among potters. --Parkers.

   Potter's clay. See under Clay.

   Potter's field, a public burial place, especially in a
      city, for paupers, unknown persons, and criminals; -- so
      named from the field south of Jerusalem, mentioned in
      --Matt. xxvii. 7.

   Potter's ore. See Alquifou.

   Potter's wheel, a horizontal revolving disk on which the
      clay is molded into form with the hands or tools. "My
      thoughts are whirled like a potter's wheel." --Shak.

   Potter wasp (Zool.), a small solitary wasp (Eumenes
      fraternal) which constructs a globular nest of mud and
      sand in which it deposits insect larv[ae], such as
      cankerworms, as food for its young.
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Easton's 1897 Bible Dictionary:

Potters field
   the name given to the piece of ground which was afterwards
   bought with the money that had been given to Judas. It was
   called the "field of blood" (Matt. 27:7-10). Tradition places it
   in the valley of Hinnom. (See ACELDAMA.)