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.
curate; minister; minister of religion; parson; pastor; rector. Context example: clergymen are usually called ministers in Protestant churches. Hypernyms (rector is a kind of...): clergyman; man of the cloth; reverend (a member of the clergy and a spiritual leader of the Christian Church) Hyponyms (each of the following is a kind of rector):