neu ‧ ron /ˈnjʊərɒn $ ˈnʊrɑːn/ BrE AmE ( also neu‧rone /-rəʊn $ -roʊn/) noun [countable]
[ Date: 1800-1900 ; Language: Greek ; Origin: 'nerve' ]
a type of cell that makes up the ↑ nervous system and sends messages to other parts of the body or the brain SYN nerve cell