Seventh House (7th) Astrological Meaning - Astrology 42 Seventh House Of Astrology- What Is It? In Astrology, t he seventh House is sometimes referred to as the House of marriage, but it encompasses all one-to-one relationships: marriage, business partnerships, contracts, cooperative relationships, and also divorce, separation, quarrels, open enemies, and lawsuits.. The difference between the love affairs of the 5th House and love relationships of ...