| Noun | 1. | planetary house - (astrology) one of 12 equal areas into which the zodiac is dividedastrology, star divination - a pseudoscience claiming divination by the positions of the planets and sun and moon region, part - the extended spatial location of something; "the farming regions of France"; "religions in all parts of the world"; "regions of outer space" zodiac - a belt-shaped region in the heavens on either side to the ecliptic; divided into 12 constellations or signs for astrological purposes |