In the New Testament the Greek equivalent is used (Ephesians 6:17; 1 Thessalonians 5:8). (see ARMS.) Webster's Revised Unabridged Dictionary1. (n.) A defensive covering for the head.2. (n.) The representation of a helmet over shields or coats of arms, denoting gradations of rank by modifications of form.3. (n.) A helmet-shaped hat, made of cork, felt, metal, or other suitable material, worn as par