>>>Iceland is a part of Europe.
>>
>>politically yes, geographically no.
>
>I thought there was some international agreement or decree or something which defined which continent every country belonged to. It's funny, though, because the Norwegian meaning of a continent is "part of the world", and includes both land and water. But the English meaning of a continent is only the land, or am I wrong?

Opposite of "incontinent". I.e. "can hold its water".