The Collaborative International Dictionary
Librated
Librate \Li"brate\ (l[imac]"br[=a]t), v. i. [imp. & p. p. Librated (l[imac]"br[asl]*t[e^]d); p. pr. & vb. n. Librating.] [L. libratus, p. p. of librare to balance, to make even, fr. libr
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Cf. Level, Deliberate, Equilibrium.] To vibrate as a balance does before resting in equilibrium; hence, to be poised.
Their parts all librate on too nice a beam.
--Clifton.
Wiktionary
librated
vb. (en-past of: librate)