Trimembral
Pronunciation : Tri*mem"bral
Part of Speech : a.
Etymology : [L. trimembris triplemembered. See Tri-, and Member.]
Definition : Defn: Having, or consisting of, three members.
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