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.
sixteenth note esp. US Mus. = SEMIQUAVER.
sixteenth adj. & n.
OE siextiene (as SIX, -TEEN)