Fourling
Pronunciation : Four"ling
Part of Speech : n.
Definition : 1. One of four children born at the same time.
2. (Crystallog.)
Defn: A compound or twin crystal consisting of four individuals.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder