D defs.my
Entry 2 senses Webster, 1913

Pollux

/päl'-əks/ · Pol·lux · IPA /pˈɑləks/
01 n. A fixed star of the second magnitude, in the constellation Gemini. Cf. 3d Castor.
  1. 1.
    A fixed star of the second magnitude, in the constellation Gemini. Cf. 3d Castor.(Astron.) See: Castor
  2. 2.
    Same as Pollucite.(Min.) See: Pollucite