subirrigation /sub-i-ri-gāˈshən/

1. Irrigation by underground pipes
2. Irrigation from beneath

subirrˈigate transitive verb

• shiftable
• shift about
• shift down
• shifted
• shifter
• shifters
• shift for oneself
• shiftier
• shiftiest
• shiftily
• shiftiness
• shiftinesses
• shifting
• shifting-boards
• shifting cultivation
• shifting register
• shiftings
• shifting spanner
• shifting spanners
• shift key
• shift keys
• shiftless
• shiftlessly
• shiftlessness
• shiftlessnesses