This is the 17276th most frequent Polish word.
zalana
"Zalana" means "flooded" or "soaked" in English.
In this sentence, 'zalana' is used as a past participle adjective describing the state of the street being flooded with water.
Ulica jest zalana po intensywnym deszczu.
The street is flooded after the heavy rain.
Here, 'zalaną' is used metaphorically to express being covered or overwhelmed by something, in this case, tears.
Ona wygląda na zalaną łzami po przeczytaniu tego listu.
She appears to be overwhelmed with tears after reading the letter.
In this example, 'zalane' metaphorically describes being infused or brightened by light.