vector

noun

• 1 Mathematics & Physics a quantity having direction as well as magnitude, especially as determining the position of one point in space relative to another. Compare with scalar.
• Mathematics a matrix with one row or one column.
• a course to be taken by an aircraft.
• [as modifier] Computing denoting a type of graphical representation using straight lines to construct the outlines of objects.

• 2an organism, typically a biting insect or tick, that transmits a disease or parasite from one animal or plant to another.
• Genetics a bacteriophage or plasmid that transfers genetic material into a cell, or from one bacterium to another.

verb

• direct (an aircraft in flight) to a desired point.