FIFTEEN
fifteen, xv
(adjective) being one more than fourteen
fifteen, XV
(noun) the cardinal number that is the sum of fourteen and one
Source: WordNet® 3.1
Etymology
Numeral
fifteen
The cardinal number occurring after fourteen (14) and before sixteen (16).
Synonyms
• Roman numerals: XV
• Arabic numerals: 15
Coordinate terms
• Previous: fourteen
• Next: sixteen
Source: Wiktionary
Fif"teen`, a. Etym: [OE. fiftene, AS. fift, fift. See Five, and Ten,
and cf. Fifty.]
Definition: Five and ten; one more than fourteen.
Fif"teen`, n.
1. The sum of five and ten; fifteen units or objects.
2. A symbol representing fifteen units, as 15, or xv.
Source: Webster’s Unabridged Dictionary 1913 Edition