PRIMUM MOBILE


Meaning of PRIMUM MOBILE in English

[pri.mum mo.bi.le] n, pl primum mobiles [ME, fr. ML, lit., first moving thing] (15c): the outermost concentric sphere conceived in medieval astronomy as carrying the spheres of the fixed stars and the planets in its daily revolution

Merriam-Webster English vocab.      Английский словарь Merriam Webster.