Strong’s Greek
G2375 — thureos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
θυρεός
thureos — pronounced thoo-reh-os'
from 2374; a large shield (as door-shaped):--shield. see GREEK for 2374
1 occurrence in the KJV.
Ephesians 6:16
Above all, taking the shield of faith, wherewith ye shall be able to quench all the fiery darts of the wicked.