drainage hole
- drainChannel for wastewater
- gutterEdge channel for runoff
- overflowExceed capacity and spill
- weep holeOutlet for trapped moisture
- sumpDrain pit below grade
outlet · planter · pot · terracotta · clog · gravel · seepage · runoff · basement · pipe · mesh · screen · puddle · standing water · roots · sediment · filter · irrigation
- plantersplanter, flowerpot, flower pot, pot, window box
fluid flow function
drainage holeinlet
Water extending into land
intake valve · intake · supply line · spout · tap
structural purpose
drainage holeplug
Something that blocks openings
stopper · seal · drain plug · drain stopper · cap