Strong's Greek Dictionary (KJV)

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THOMAS — THORAX

(2381) Θωμας, Thomas [tho-mas']

of Chaldee origin (compare ta'owm ta'owm); the twin; Thomas, a Christian:--Thomas.

(2382) θωραξ, thorax [tho'-rax]

of uncertain affinity; the chest ("thorax"), i.e. (by implication) a corslet:--breast-plate.