quā^drīmātus

ūs, m.

quadrimus

I. the age of four years (post-Aug.): extra quadrimatum, Plin. 19, 11, 58, § 181: ante quadrimatum, id. 8, 45, 70, § 176: dum quadrimatum agant, Col. 7, 9, 2; 9, 1, 7.
Lewis & Short
A Latin Dictionary, 1879
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