li·brate[li-breyt] verb, li·brat·ed, li·brat·ing.
1. Academia: to engage in libration. To study in a library.
2. Astronomy: the apparent oscillating of the moon.
2007; Modern English; from libra(ry) + te
1. Academia: the act of studying in a library.
2. Astronomy: an apparent or real oscillation of the moon, by which parts near the edge of the disc that are often not visible from the earth sometimes come into view.
2007; Modern English, 1300–50; from libra(ry) + tion. Early 17th century (denoting an oscillating motion, or equilibrium): from Latin libratio(n-), from the verb librare, from libra 'a balance'