Icelandic a. : Of or pertaining to Iceland; relating to, or resembling, the Icelanders.

Icelandic n. : The language of the Icelanders. It is one of the Scandinavian group, and is more nearly allied to the Old Norse than any other language now spoken.

Example:
What makes Icelandic coffee so darn good?

Taxonomy
Icelandic, language, Iceland, Icelandic language, verbs, English, speakers, Danish, 2007-04-27, consonants, Scandinavian languages, free encyclopedia, Icelanders, veit, það, Grammar, pronunciation, History.

Defination from the web:
Icelandic ( íslenska (help·info)) is a North Germanic language, the language of Iceland. ... The Icelandic Language Council, made up of representatives of universities, the arts, journalists, teachers, and the Ministry of Culture, Science ...