OCCLUDENT
something that occludes; an occluder.
having the function of, involved in, or undergoing closure or occlusion; specifically designating the edges of the opercular plates of a barnacle which come into contact when the aperture is closed.
having the function of, involved in, or undergoing closure or occlusion; specifically designating the edges of the opercular plates of a barnacle which come into contact when the aperture is closed.