Lewis & Short

singulto, no perf., ātum, 1, v. n. and a. [id.].

  1. I. Neutr., to hiccup; to sob: singultantium modo, Quint. 10, 7, 10.
    1. B. Transf., poet., of persons dying, to rattle in the throat, Verg. A. 9, 333; Sil. 2, 362; 1, 388; Val. Fl. 2, 211.
      Of speech interrupted with sobs: verba singultantia, Stat. S. 5, 5, 26; Calp. Ecl. 6, 22.
      Of water flowing from an orifice, to gurgle, Sid. Ep. 2, 2 med.
  2. II. Act.: animam, to breathe out with sobs, to gasp away with short sobs or rattling in the throat, Ov. M. 5, 134: in limine vitae animas, Stat. Th. 5, 261: et singultatis oscula mixta sonis, Ov. Tr. 3, 5, 16.