estates. An agreement or coincidence of certain qualities in the title of a joint estate or an estate in common. 2. In a joint estate there must exist four unities; that of interest, for a joint-tenant cannot be entitled to one period of duration or quantity of interest in lands, and the other to a different; one cannot be tenant for life, and the other for years: that of … [Read more...]
UNITY
TheLaw.com Law Dictionary & Black's Law Dictionary 2nd Ed.