Arms (weapons), Armor, to Arm - Vine's Expository Dictionary of New Testament Words
Arms (weapons), Armor, to Arm[ A-1,Noun,G3696, hoplon ]
originally any tool or implement for preparing a thing, became used in the plural for weapons of warfare." Once in the NT it is used of actual weapons, John 18:3; elsewhere, metaphorically, of
(a) the members of the body as instruments of unrighteousness and as instruments of righteousness, Romans 6:13;
(b) the "armor" of light, Romans 13:12; the "armor" of righteousness, 2 Corinthians 6:7; the weapons of the Christian's warfare, 2 Corinthians 10:4.
[ A-2,Noun,G3833, panoplia ]
(Eng., "panoply"), lit., "all armor, full armor," (pas, "all," hoplon, "a weapon"), is used
(a) of literal "armor," Luke 11:22;
(b) of the spiritual helps supplied by God for overcoming the temptations of the Devil, Ephesians 6:11, Ephesians 6:13. Among the Greeks the panoplia was the complete equipment used by heavily armed infantry.
[ B-1,Verb,G3695, hoplizo ]
"to arm oneself," is used in 1 Peter 4:1, in an exhortation "to arm" ourselves with the same mind as that of Christ in regard to His sufferings.
[ B-2,Verb,G2528, kathoplizo ]
is an intensive form, "to furnish fully with arms," kata, "down," intensive, hoplon, "a weapon," Luke 11:21, lit., "a strong man fully armed." In the Sept., Jeremiah 46:9.