subirrigation /sub-i-ri-gāˈshən/

1. Irrigation by underground pipes
2. Irrigation from beneath

• rockfishes
• rock flour
• rock-forming
• rock garden
• rock gardens
• rock guano
• rock-hewn
• rockhopper
• rockhoppers
• rock house
• rock houses
• rockier
• rockiers
• rockiest
• rockily
• rockiness
• rockinesses
• rocking
• rocking chair
• rocking chairs
• rocking horse
• rocking horses
• rockings
• rocking stone
• rocking stones