1) to pour forth, to utter
Part of Speech: verb
For certain tenses of which a prolonged form (ἐρέω ereô) is used; and both as alternate for G2036; perhaps akin (or identical) with G4482 (through the idea of pouring forth); to utter, that is, speak or say: - command, make, say, speak (of). Compare G3004.
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 ῥέω; click on the second column to search for that grammatical form of the root ῥέω; click on the third column to search for that word and grammatical form; click on the total to search for the root ῥέω.