Pronunciation : Ri"ma
Part of Speech : n.;
Etymology : [L.] (Anat.)
Definition : Defn: A narrow and elongated aperture; a cleft; a fissure.
pl. Rim
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