1. rēgŭlus — Lewis & Short
rēgŭlus, i, m.dim.rex.
I The ruler of a small country (Gr. duna/sths), a petty king, prince, chieftain, lord (freq. in the historians;
not in Cæs. or Cic.): regulos se acceptos in fidem in Hispaniā reges reliquisse,Liv. 37, 25; Sall. J. 11, 2; Liv. 5, 38; 27, 4; 29, 4 al.:
Cilicum reguli,Tac. A. 2, 80; id. Agr. 24; Suet. Calig. 5; Vulg. Josue, 13, 3 al.—
II Transf.
A Of the king-bee, Varr. R. R. 3, 16, 18.—
B A king's son, a prince (cf. rex and regina), Liv. 42, 24, 10; 45, 14, 6 al.—
C A small bird, Auct. Carm. Phil. 13.—
D A kind of serpent, Hier. in Isa. 16, 59, 6; Vulg. Prov. 23, 32; id. Isa. 30, 6.