The boundary of a convex set is always a convex curve. The intersection of all convex sets containing a given subset A of Euclidean space is called the convex hull of A. It is the smallest convex set containing A.
Rector (ecclesiastical) A rector is, in an ecclesiastical sense, a cleric who functions as an administrative leader in some Christian denominations, and in Islam. In contrast, a vicar is also a cleric but functions as an assistant and representative of an administrative leader.
Princeton's WordNet(0.00 / 0 votes)Rate this definition: 1  curate, minister of religion, minister, parson, pastor, rector(noun) a person authorized to conduct religious worship. 2  minister, government minister(noun) a person appointed to a high office in the government.