This is the 15500th most frequent Polish word.
spędzicie
"You (plural) will spend" (referring to time).
The word 'spędzicie' here is used in the context of spending time engaging in a leisure activity, referring to the second person plural future tense.
Spędzicie miły wieczór na oglądaniu filmu.
You will spend a pleasant evening watching a movie.
In this sentence, 'spędzicie' indicates inquiry in future tense (second person plural) about the recipient's plans involving a location or season.
Czy spędzicie lato nad morzem?
Will you spend the summer by the sea?
Here 'spędzicie' is used to express a polite expectation about someone's activities, in the second person plural future tense referring to spending holidays.