1) a staff, a walking stick, a twig, rod, branch
2) a rod with which one is beaten
3) a staff
3a) as used on a journey, or to lean upon, or by shepherds
3b) when applied to kings
3b1) with a rod of iron, indicates the severest, most rigorous rule
3b2) a royal sceptre
Part of Speech: noun feminine
Citing in TDNT: 6:966, 982
From the base of G4474; a stick or wand (as a cudgel, a cane or a baton of royalty): - rod, sceptre, staff.
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 ῥάβδος; click on the second column to search for that grammatical form of the root ῥάβδος; click on the third column to search for that word and grammatical form; click on the total to search for the root ῥάβδος.