v. i. [ imp. & p. p. Librated p. pr. & vb. n. Librating. ] [ L. libratus, p. p. of librare to balance, to make even, fr. libra. Cf. Level, Deliberate, Equilibrium. ] To vibrate as a balance does before resting in equilibrium; hence, to be poised. [ 1913 Webster ]
Their parts all librate on too nice a beam. Clifton. [ 1913 Webster ]