cŏ-aequālis

e, adj.
I. of equal age, coeval (post-Aug.): sinciput, Petr. 136, 1.— Subst., a comrade, companion in age, Just. 23, 4, 9; Inscr. Orell. 4407 al.—Transf., of geese, Col. 8, 14, 8.
Lewis & Short
A Latin Dictionary, 1879
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