Webster's Revised Unabridged Dictionary · 1913

Sixteenth

Sixteenth , adjective

[From Sixteen: compare Anglo-Saxon sixteó{not transcribed}a.]

1.
Sixth after the tenth; next in order after the fifteenth.
2.
Constituting or being one of sixteen equal parts into which anything is divided.
Collocations (1)
Sixteenth note (Music) , the sixteenth part of a whole note; a semiquaver.

Sixteenth , noun

1.
The quotient of a unit divided by sixteen; one of sixteen equal parts of one whole.
2.
The next in order after the fifteenth; the sixth after the tenth.
3.
(Music) An interval comprising two octaves and a second. — Moore (Encyc. of Music.)