| 释义 | Cleanoutcleanout[′klēn‚au̇t]  (engineering) A pipe fitting containing a removable plug that provides access for inspection or cleaning of the pipe run. Also known as access eye; cleaning eye.CleanoutA unit with removable plate or plug allowing access into plumbing or other drainage pipes for cleaning out extraneous material.cleanout1. A pipe fitting with a removable plug which provides access for inspection or cleaning of the pipe run. Also called an access eye or cleaning eye.2. An opening at the base of a chimney, stack, or breeching for the removal of dust, soot, etc. 3. An opening in concrete forms for removing debris; closed before the concrete is placed. |