‖Biv″i‐um (�), n. [L., a place with two ways. See Bivious.] (Zoöl.) One side of an echinoderm, including a pair of ambulacra, in distinction from the opposite side (trivium), which includes three ambulacra.
Content
Rights and sources
Review source, license and attribution information for this content.
Content
Webster's Dictionary 1913
Webster's Revised Unabridged Dictionary, C. & G. Merriam Co., 1913.