The Collaborative International Dictionary of English v.0.48:

Denary \Den"a*ry\, a. [L. denarius. See 2d Denier.]
   Containing ten; tenfold; proceeding by tens; as, the denary,
   or decimal, scale.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Denary \Den"a*ry\, n.
   1. The number ten; a division into ten.
      [1913 Webster]

   2. A coin; the Anglicized form of denarius. --Udall.
      [1913 Webster]

WordNet (r) 3.0 (2006):

denary
    adj 1: containing ten or ten parts [syn: tenfold, ten-fold,
           denary]
    2: numbered or proceeding by tens; based on ten; "the decimal
       system" [syn: decimal, denary]