ca ‧ rot ‧ id ar ‧ te ‧ ry /kəˈrɒtəd ˌɑːtəri, kəˈrɒtɪd ˌɑːtəri $ -ˈrɑːtəd ˌɑːr-/ BrE AmE noun [countable] medical
[ Date: 1600-1700 ; Language: French ; Origin: carotide , from Greek karotides 'carotid arteries' , from karoun 'to make unconscious' ]
one of the two ARTERIES in your neck that supply blood to your head