Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

lībrātor, ōris, m. [libro].

  1. I. A leveller, esp. by means of a water-level, a surveyor, Cato, R. R. 22, 1; Front. Aquaed. 105: superest ut tu libratorem vel architectum mittas, qui diligenter exploret, sitne lacus altior mari, Plin. Ep. 10, 50, 3.
  2. II. One who throws or hurls weapons by hand (cf. funditor, a slinger): funditores libratoresque excutere tela et proturbare hostem jubet, Tac. A. 2, 20: libratoribus funditoribusque attributus locus, id. ib. 13, 39; Inscr. ap. Kellerm. Vigil. p. 55, n. 127.