millipede
Concise Oxford English Dictionary © 2008 Oxford University Press:
millipede /ˈmɪlɪpiːd/
▶noun an arthropod (invertebrate animal) with an elongated body composed of many segments, most of which bear two pairs of legs. [Class Diplopoda: many species.]
– origin C17: from L. millepeda ‘woodlouse’, from mille ‘thousand’ + pes, ped- ‘foot’.
'millipede' also found in these Oxford entries:

