subirrigation /sub-i-ri-gāˈshən/

1. Irrigation by underground pipes
2. Irrigation from beneath

• throw
• throw about
• throw a fit
• throw around
• throw a spanner in the works
• throw away
• throwaway
• throwaways
• throw a wobbly
• throw back
• throwback
• throwbacks
• throw caution to the winds
• throw cold water on
• throw cold water over
• throw dirt
• throw down
• throw-down
• throw-downs
• throw down the gauntlet
• throw down the wicket
• throw dust in someone's eyes
• throwe
• thrower
• throwers