LIBRATING
Verb
librating
present participle of librate
Source: Wiktionary
LIBRATE
Li"brate, v. i. [imp. & p. p. Librated p. pr. & & vb. n. Librating.]
Etym: [L. libratus, p. p. of librare to balance, to make even, fr.
libra.Cf. Level, Deliberate, Equilibrium.]
Definition: To vibrate as a balance does before resting in equilibrium;
hence, to be poised.
Their parts all liberate on too nice a beam. Clifton.
Li"brate, v. i.
Definition: To poise; to balance.
Source: Webster’s Unabridged Dictionary 1913 Edition