Midheaven(redirected from Medium Coeli)
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Related to Medium Coeli: Imum coeli
1. (Astrology) the point on the ecliptic, measured in degrees, that crosses the meridian of a particular place at a particular time. On a person's birth chart it relates to the time of birth. Abbreviation: MC
2. (Astrology) the sign of the zodiac containing this point
[C16: initials MC represent Latin medium caeli middle of the sky]