1) to fall forwards, fall down, prostrate one's self before, in homage or supplication: at one's feet
2) to rush upon, beat against
2a) of winds beating upon a house
Part of Speech: verb
From G4314 and G4098; to fall towards, that is, (gently) prostrate oneself (in supplication or homage), or (violently) to rush upon (in storm): - beat upon, fall (down) at (before).
|a prostrate oneself before||17.22|
|b strike against||19.11|
These two sites give similar information, with the definition from several dictionaries and statistics on the use of the word.
Perseus Digital Library
University of Chicago's Logion lexicon
Thayer's dictionary plus other information.
From this site's dictionary (in Italian)
Click on the first column to search for that word as a form of the root προσπίπτω; click on the second column to search for that grammatical form of the root προσπίπτω; click on the third column to search for that word and grammatical form; click on the total to search for the root προσπίπτω.