regar

regar reh-gahr' (verb)
to water, to irrigate
1. Hay que regar las plantas con regularidad para que no se mueran.

Plants have to be watered regularly so that they don't die.

2. La capital azteca Tenochtitlan estaba atravesada de canales que regaban los jardines y las cosechas.

The Aztec capital of Tenochtitlan was crisscrossed by canals that irrigated gardens and crops.