infantulus

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

infantŭlus, i, m. dim. [infans],

a little infant (post-class.), Ap. Met. 8, 15, 9; Nazar. Paneg. Const. 16, 6; Hier.in Isai. 3, 7, 16.