The Collaborative International Dictionary of English v.0.48:

Sell \Sell\ (s[e^]l), n.
   Self. [Obs. or Scot.] --B. Jonson.
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The Collaborative International Dictionary of English v.0.48:

Sell \Sell\ (s[e^]l), n.
   A sill. [Obs.] --Chaucer.
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The Collaborative International Dictionary of English v.0.48:

Sell \Sell\ (s[e^]l), n.
   A cell; a house. [Obs.] --Chaucer.
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The Collaborative International Dictionary of English v.0.48:

Sell \Sell\ (s[e^]l), n. [F. selle, L. sella, akin to sedere to
   sit. See Sit.]
   1. A saddle for a horse. [Obs.]
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            He left his lofty steed with golden self. --Spenser.
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   2. A throne or lofty seat. [Obs.] --Fairfax.
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The Collaborative International Dictionary of English v.0.48:

Sell \Sell\ (s[e^]l), v. t. [imp. & p. p. Sold (s[=o]ld); p.
   pr. & vb. n. Selling.] [OE. sellen, sillen, AS. sellan,
   syllan, to give, to deliver; akin to OS. sellian, OFries.
   sella, OHG. sellen, Icel. selja to hand over, to sell, Sw.
   s[aum]lja to sell, Dan. s[ae]lge, Goth. saljan to offer a
   sacrifice; all from a noun akin to E. sale. Cf. Sale.]
   1. To transfer to another for an equivalent; to give up for a
      valuable consideration; to dispose of in return for
      something, especially for money. It is the correlative of
      buy.
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            If thou wilt be perfect, go and sell that thou hast,
            and give to the poor.                 --Matt. xix.
                                                  21.
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            I am changed; I'll go sell all my land. --Shak.
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   Note: Sell is corellative to buy, as one party buys what the
         other sells. It is distinguished usually from exchange
         or barter, in which one commodity is given for another;
         whereas in selling the consideration is usually money,
         or its representative in current notes.
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   2. To make a matter of bargain and sale of; to accept a price
      or reward for, as for a breach of duty, trust, or the
      like; to betray.
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            You would have sold your king to slaughter. --Shak.
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   3. To impose upon; to trick; to deceive; to make a fool of;
      to cheat. [Slang] --Dickens.
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   To sell one's life dearly, to cause much loss to those who
      take one's life, as by killing a number of one's
      assailants.

   To sell (anything) out, to dispose of it wholly or
      entirely; as, he had sold out his corn, or his interest in
      a business.
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The Collaborative International Dictionary of English v.0.48:

Sell \Sell\ (s[e^]l), v. i.
   1. To practice selling commodities.
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            I will buy with you, sell with you; . . . but I will
            not eat with you.                     --Shak.
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   2. To be sold; as, corn sells at a good price.
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   To sell out, to sell one's whole stock in trade or one's
      entire interest in a property or a business.
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The Collaborative International Dictionary of English v.0.48:

Sell \Sell\, n.
   An imposition; a cheat; a hoax. [Colloq.]
   [1913 Webster] Sellanders

WordNet (r) 3.0 (2006):

sell
    n 1: the activity of persuading someone to buy; "it was a hard
         sell"
    v 1: exchange or deliver for money or its equivalent; "He sold
         his house in January"; "She sells her body to survive and
         support her drug habit" [ant: buy, purchase]
    2: be sold at a certain price or in a certain way; "These books
       sell like hot cakes"
    3: persuade somebody to accept something; "The French try to
       sell us their image as great lovers"
    4: do business; offer for sale as for one's livelihood; "She
       deals in gold"; "The brothers sell shoes" [syn: deal,
       sell, trade]
    5: give up for a price or reward; "She sold her principles for a
       successful career"
    6: be approved of or gain acceptance; "The new idea sold well in
       certain circles"
    7: be responsible for the sale of; "All her publicity sold the
       products"
    8: deliver to an enemy by treachery; "Judas sold Jesus"; "The
       spy betrayed his country" [syn: betray, sell]