quăternĭo

ōnis, m.

quaterni

I. the number four, a quaternion, Mart. Cap. 7, § 767.— Esp.,
B. On dice, a quatre (postclass.), Isid. 18, 65.—
C. A body of four soldiers, a quaternion, Vulg. Act. 12, 4.
Lewis & Short
A Latin Dictionary, 1879
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