Lewis Short
uxorcŭla (noun F) : dim.uxor
* A little wife (ante- and post-class.): erat ei uxorcula satis quidem tenuis,App. M. 9, p. 219, 8.—As a term of endearment: mea uxorcula!Plaut. Cas. 4, 4, 19; 5, 2, 38; Varr. ap. Non. 83, 25.
Charlton T. Lewis, Charles Short, A Latin Dictionary