Fetching details from the dictionary...

to pour (into)
to sprinkle on (from above); to water (e.g. plants); to pour onto; to spray
to shed (tears)
to concentrate one's energy (strength, attention, etc.) on; to devote to; to fix (one's eyes) on
to flow into (e.g. of a river); to run into; to drain into
to fall (of rain, snow); to pour down
冷たい水をグラスに濺いでテーブルに並べた。
I poured cold water into glasses and lined them on the table.
庭の木に水を濺いでやった。
I watered the tree in the garden.
情熱を濺いで研究に取り組んでいる。
I'm pouring my passion into my research.