Seventeen and Xvii

Seventeen noun - The cardinal number that is the sum of sixteen and one.

Xvii is a synonym for seventeen. In some cases you can use "Xvii" instead the word "Seventeen" as an adjective or a noun.

Xvii adjective - Being one more than sixteen.

Seventeen is a synonym for xvii. You can use "Seventeen" instead the word "Xvii" as a noun or an adjective.