1. (noun)ten, 10, X, tenner, decade the cardinal number that is the sum of nine and one; the base of the decimal system Synonyms: decade, cristal, ten-spot, ten, go, disco biscuit, ecstasy, ex, decennium, tenner, decennary, hug drug, ten dollar bill
2. (noun)tenner, ten dollar bill a United States bill worth 10 dollars Synonyms: tenner, ten, ten dollar bill, decade