Webster's Revised Unabridged Dictionary · 1913

Sixteen

Sixteen , adjective

[Anglo-Saxon sixt{not transcribed}ne, sixt{not transcribed}ne. See Six, and Ten, and compare Sixty.]

Six and ten; consisting of six and ten; fifteen and one more.

Sixteen , noun

1.
The number greater by a unit than fifteen; the sum of ten and six; sixteen units or objects.
2.
A symbol representing sixteen units, as 16, or xvi.