Singultus | Webster's Dictionary of the English Language

singultus
singultus, ūs, m. [singuli, and hence, an uttering of single sounds]. I Lit., a sobbing , speech ...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
singultus
(singultus, ūs) m GVOR-, a sobbing, panting, choking, convulsive sigh (only abl sing ....

An Elementary Latin Dictionary