A Quick and Simple Dictionary

vector

1. Noun.  (mathematics) a directed quantity, one with both magnitude and direction; an element of a vector space; the difference between two points, or an ordered pair representing such difference; a directed line segment (which is independent of position, i.e., for which equality is defined as translational congruence).
2. Noun.  (context, aviation) a chosen course or direction for motion, as of an aircraft.
3. Noun.  (epidemiology) a carrier of a disease-causing agent.
4. Noun.  (sociology) a person or entity that passes along an urban legend or other meme from the concept of biological vector.
5. Noun.  (psychology) a recurring psychosocial issue that stimulates growth and development in the personality.
6. Noun.  the way in which the eyes are drawn across the visual text. The trail that a book cover can encourage the eyes to follow from certain objects to others.
7. Noun.  (computing) (operating systems) a memory address containing the address of a code entry point, usually one which is part of a table and often one that is dereferenced and jumped to during the execution of an interrupt.
8. Noun.  (programming) A one-dimensional array.
9. Verb.  to set (particularly an aircraft) a course toward a selected point.