Definitions for "Estoc"
Keywords:  thrust, sword, longsword, tuck, armour
Long, stiff and sharply-pointed sword for thrusting at the joints in plate armour, first introduced in the second half of the fourteenth century. (Wise, Terence. Medieval Warfare, 248)
A thrusting sword with a stiff, usually three-sided blade designed to penetrate armor; name derives from the French word meaning "to thrust."
A thrust, delivered with dagger or sword, forbidden in most tournaments from the 12th century onward.