Pronunciation : Com*mis"sure ( or ; 134-6) Part of Speech : n. Etymology : [L. commissura a joing together: cf. F. commissure. See Commit.] Definition : 1. A joint, seam, or closure; the place where two bodies, or parts of a body, meet and unite; an interstice, cleft, or juncture.
2. (Anat. & Zoöl.) (a) The point of union between two parts, as the angles of the lips or eyelids, the mandibles of a bird, etc. (b) A collection of fibers connecting parts of the brain or spinal marrow; a chiasma.
Defn: The line of junction or cohering face of two carpels, as in the parsnip, caraway, etc. Source : Webster's Unabridged Dictionary, 1913