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

sixteen \six"teen`\, a. as. sixt?ne, sixt?ne. see six, and
   ten, and cf. sixty.
   six and ten; consisting of six and ten; fifteen and one more.
   1913 webster
see also:
six ten sixty 

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

sixteen \six"teen`\, n.
   1. the number greater by a unit than fifteen; the sum of ten
      and six; sixteen units or objects.
      1913 webster

   2. a symbol representing sixteen units, as 16, or xvi.
      1913 webster

[3] : WordNet (r) 2.0

sixteen
     adj : being one more than fifteen syn: 16, xvi
     n : the cardinal number that is the sum of fifteen and one syn:
          16, xvi
see also:
16 xvi xvi 

Sixteen >> S Words
Sixteen, definition of term: Sixteen
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