- A joint, seam, or closure; the place where two bodies,
or parts of a body, meet and unite; an interstice, cleft, or juncture. - The point of union between two parts, as the angles of
the lips or eyelids, the mandibles of a bird, etc. - A collection of fibers connecting parts of the brain or
spinal marrow; a chiasma. - The line of junction or cohering face of two carpels,
as in the parsnip, caraway, etc.