ˌdid. ə lˈeŋkəs noun
Usage: capitalized
Etymology: New Latin, from Greek ditylos having two humps (from di- + tylos callus, lump, penis) + enchos spear, lance — more at thole
: a genus of small slender nematode worms (family Tylenchidae) including serious plant parasites (as the potato rot nematode and the bulb eelworm) as well as a number of harmless soil forms and commensals