Q / quăternĭo
noun

quăternĭo

gen. quăternōnis · gender masculine · decl. 3rd
the number four; a quaternion
the number four, a quaternion, Mart. Cap. 7, § 767.— Esp.,
a quatre
On dice, a quatre (postclass.), Isid. 18, 65.—
A body of four soldiers; a quaternion
A body of four soldiers, a quaternion, Vulg. Act. 12, 4.