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

cost \cost\ ko^st; 115, v. t. imp.  p. p. cost; p. pr. 
   vb. n. costing. of. coster, couster, f. co^uter, fr. l.
   constare to stand at, to cost; con- + stare to stand. see
   stand, and cf. constant.
   1. to require to be given, expended, or laid out therefor, as
      in barter, purchase, acquisition, etc.; to cause the cost,
      expenditure, relinquishment, or loss of; as, the ticket
      cost a dollar; the effort cost his life.
      1913 webster

            a diamond gone, cost me two thousand ducats. --shak.
      1913 webster

            though it cost me ten nights' watchings. --shak.
      1913 webster

   2. to require to be borne or suffered; to cause.
      1913 webster

            to do him wanton rites, which cost them woe.
                                                  --milton.
      1913 webster

   to cost dear, to require or occasion a large outlay of
      money, or much labor, self-denial, suffering, etc.
      1913 webster
see also:
cost costing stand constant to cost dear 

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

costing \costing\ n.
   cost accounting. british
   wordnet 1.5

[3] : WordNet (r) 2.0

costing
     n : cost accounting

Costing >> C Words
Costing, definition of term: Costing
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