1) to draw to one's self, to rescue, to deliver
2) the deliverer
Part of Speech: verb
Citing in TDNT: 6:998, 988
Middle voice of an obsolete verb, akin to G4482 (through the idea of a current; compare G4511); to rush or draw (for oneself), that is, rescue: - deliver (-er).
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 ῥύομαι; click on the second column to search for that grammatical form of the root ῥύομαι; click on the third column to search for that word and grammatical form; click on the total to search for the root ῥύομαι.