Sixteen

• POS: Adjective, Noun
• HYPHEN: six=teen

CIDE DICTIONARY

Sixteen, a. [AS. sixtne, sixtne. See Six, and Ten, and cf. Sixty.].

 Six and ten; consisting of six and ten; fifteen and one more.  [1913 Webster]

Sixteen, n. 

•  The number greater by a unit than fifteen; the sum of ten and six; sixteen units or objects.  [1913 Webster]
•  A symbol representing sixteen units, as 16, or xvi.  [1913 Webster]

OXFORD DICTIONARY

Sixteen, n. & adj.
--n.
1 one more than fifteen, or six more than ten.
2 a symbol for this (16, xvi, XVI).
3 a size etc. denoted by sixteen.
--adj. that amount to sixteen.

Idiom

sixteenth note esp. US Mus. = SEMIQUAVER.

Derivative

sixteenth adj. & n.

Etymology

OE siextiene (as SIX, -TEEN)