vec·tor 
/ˈvɛktɚ/ noun
plural vec·tors /ˈvɛktɚ/ noun [count] 1 mathematics : a quantity (such as velocity) that has size and direction 2 technical : the course or direction of an airplane 3 biology : an insect, animal, etc., that carries germs that cause disease
▪ a mosquito that is the principal vector of yellow fever
▪ a mosquito that is the principal vector of yellow fever
