shedding tears
"Her eyes were watering as she watched her favorite movie scene unfold."
An act of watering, i.e. pouring water on something, or diluting a liquid.
"The gardener spent the afternoon watering the drought-stricken roses until their leaves glistened in the morning sun."
present participle of water
"After a week without rain, the gardener spent his morning watering the thirsty flower beds."