Noun
One of the orders of myriapods, including the centipeds. They have a single pair of elongated legs attached laterally to each segment; well developed jaws; and a pair of thoracic legs converted into poison fangs. They are insectivorous, very active, and some species grow to the length of a foot.
Source: Webster's dictionaryThey are considered to be ecologically equivalent to centipedes ( Chilopoda ). Source: Internet