/sev"euhn teen"/ , n.
1. a cardinal number, 10 plus 7.
2. a symbol for this number, as 17 or XVII.
3. a set of this many persons or things.
adj.
4. amounting to 17 in number.
5. ( cap., italics ) a novel (1916) by Booth Tarkington.
[ bef. 900; ME seventene, OE seofontene (c. D zeventien, G siebzehn ). See SEVEN, -TEEN ]