A centipede is a long, thin creature with a lot of legs.
centipede in British English
(ˈsɛntɪˌpiːd)
noun
any carnivorous arthropod of the genera Lithobius, Scutigera, etc, having a body of between 15 and 190 segments, each bearing one pair of legs: class Chilopoda
See also myriapod
centipede in American English
(ˈsɛntəˌpid)
noun
any of a class (Chilopoda) of elongated, many-segmented, insect-eating arthropods with a pair of legs to each segment, thefront pair being modified into poison claws
Word origin
Fr < L centipeda < centi-, centi- + -peda < pes (gen. pedis), foot