1) the arm
1a) the arm of God is a Hebrew idiom for the might and
Part of Speech: noun masculine
Citing in TDNT: 1:639, 110
Properly a compound of G1024, but apparently in the sense of βράσσω brassô (to wield); the arm, that is, (figuratively) strength: - arm.
|(βραχίων ὑψηλός) great power||76.5|
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 βραχίων; click on the second column to search for that grammatical form of the root βραχίων; click on the third column to search for that word and grammatical form; click on the total to search for the root βραχίων.