[1] : The Collaborative International Dictionary of English v.0.48

sell \sell\ se^l, v. t. imp.  p. p. sold s=old; 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.
   saumlja to sell, dan. saelge, 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.
      1913 webster

            if thou wilt be perfect, go and sell that thou hast,
            and give to the poor.                 --matt. xix.
                                                  21.
      1913 webster

            i am changed; i'll go sell all my land. --shak.
      1913 webster

   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.
         1913 webster

   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.
      1913 webster

            you would have sold your king to slaughter. --shak.
      1913 webster

   3. to impose upon; to trick; to deceive; to make a fool of;
      to cheat. slang --dickens.
      1913 webster

   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.
      1913 webster
see also:
sold selling sale to sell one's life dearly to sell out 

Sell >> S Words
Sell, definition of term: Sell
sell_pag1.html

Sell Up >> S Words
Sell Up, definition of term: Sell Up
sell+up_pag1.html

Sell Short >> S Words
Sell Short, definition of term: Sell Short
sell+short_pag1.html

Sell Off >> S Words
Sell Off, definition of term: Sell Off
sell+off_pag1.html

Sell Out >> S Words
Sell Out, definition of term: Sell Out
sell+out_pag1.html

Hard Sell >> H Words
Hard Sell, definition of term: Hard Sell
hard+sell_pag1.html