Source : Webster's Revised Unabridged Dictionary (1913)

Eclipse \E*clipse"\, v. t. [imp. & p. p. {Eclipsed}; p. pr. &
   vb. n. {Eclipsing}.]
   1. To cause the obscuration of; to darken or hide; -- said of
      a heavenly body; as, the moon eclipses the sun.

   2. To obscure, darken, or extinguish the beauty, luster,
      honor, etc., of; to sully; to cloud; to throw into the
      shade by surpassing. ``His eclipsed state.'' --Dryden.

            My joy of liberty is half eclipsed.   --Shak.