Lewis & Short

1. cĭcūta, ae, f.,

  1. I. the hemlock given to criminals as poison; prob. either Cicuta virosa or Conium maculatum, Linn.; Plin. 25, 13, 95, § 151; Cato, R. R. 27, 2; Lucr. 5, 897; Hor. S. 2, 1, 56 al.; plur., id. Ep. 2, 2, 53; drunk by Socrates; hence: magister sorbitio tollit quem dira cicutae, i. e. Socrates, Pers. 4, 1 sq.
    To the extraordinary coldness produced by it, reference is made in Pers. 5, 145.
  2. II. Meton., a pipe or flute made from the stalks of the hemlock, a shepherd’s pipe, Lucr. 5, 1382; Verg. E. 2, 36; 5, 85; Calp. Ecl. 7, 12.