S: (n) vector (vector%1:17:00::), transmitter (transmitter%1:17:00::) (any agent (person or animal or microorganism) that carries and transmits a disease) "mosquitos are vectors of malaria and yellow fever"; "fleas are vectors of the plague"; "aphids are transmitters of plant diseases"; "when medical scientists talk about vectors they are usually talking about insects"
S: (n) vector (vector%1:05:00::) ((genetics) a virus or other agent that is used to deliver DNA to a cell)