LI'BRATE, verb transitive [Latin libro, from libra, a balance, a level; allied perhaps to Eng. level.] To poise; to balance; to hold in equipoise. LI'BRATE, verb intransitive To move, as a balance; to be poised. Their parts all librate on too nice a beam.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI