ˌ ̷ ̷ ̷ ̷ˈdrīˌlī noun plural
Usage: capitalized
Etymology: New Latin, from micr- + -drili (from Greek drilos earthworm)
in some classifications : a group of Oligochaeta that comprises slender elongated predominantly aquatic worms lacking a capillary network on the nephridium and that is nearly coextensive with Archioligochaeta — compare megadrili