Category:Commissure

Com*mis"sure ( or ; 134-6), n. Etym: [L. commissura a joing together: cf. F. commissure. See Commit.]

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.

3. (Bot.)

Defn: The line of junction or cohering face of two carpels, as in the parsnip, caraway, etc.