1. (a.) One more than nine; twice five.

2. (n.) The number greater by one than nine; the sum of five and five; ten units of objects.

3. (n.) A symbol representing ten units, as 10, x, or X.

Big Dick Decalogue Ten Commandments X blow breath breather breathing decade decagon decagram decahedron decaliter decameter decare decastere decastyle decasyllable decemvir decemvirate decennary decennium decigram deciliter decimeter decurion respite tenner