Meaning of VECTOR in English

vec ‧ tor /ˈvektə $ -ər/ BrE AmE noun [countable] technical

[ Date: 1700-1800 ; Language: Latin ; Origin: 'carrier' , from vehere ; ⇨ ↑ vehicle ]

1 . a quantity such as force that has a direction as well as size

2 . an insect or animal that passes disease from one person to another SYN carrier :

Mosquitoes are feared as vectors of malaria.

3 . in biology, an animal or human cell that is used to carry ↑ DNA from one cell to another to produce a ↑ clone

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.