sixteenth

From Old English sixtēoþa, equivalent to sixteen +‎ -th.

• IPA^(key): /ˌsɪksˈtiːnθ/

• Audio (US):

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• Rhymes: -iːnθ
• Hyphenation: six‧teenth

sixteenth

1. The ordinal form of the number sixteen.
   • 1976, Apollo: A Journal of the Arts:

     […] a pair of pauldrons with the light horizontal bar which in later years developed into the high neckguard of the sixteenth century; numbers of gauntlets, visors of helmets, and other pieces, the handling of which is a sheer joy  […]

English ordinal numbers may function as either an adjective or as a noun, and almost never appear in the plural.

• 16th, 16^th; (in names of monarchs and popes) XVI

sixteenth (plural sixteenths)

1. One of sixteen equal parts of a whole.

   A sixteenth of 320 is 20.