“Weep hole” means a small opening that allows drainage from or through a retaining structure so as to prevent frost or ice damage to the structure.

Source. (See Revision Notes #1, #2, #3, and #4 at Chapter heading for Env-Wt 100) #12801, eff 12-15-19; renumbered by #13945 (formerly Env-Wt 104.52)