Vector :
Mathematics
A quantity, such as velocity, completely specified by a magnitude and a direction.
A one-dimensional array.
An element of a vector space.
Pathology An organism, such as a mosquito or tick, that carries disease-causing microorganisms from one host to another.
Genetics A bacteriophage, plasmid, or other agent that transfers genetic material from one cell to another.
A force or influence.
A course or direction, as of an airplane.
tr.v. vec