ˈnāə̇d noun
( -s )
Etymology: Latin naid-, nais, from Greek, from nan to flow + -id-, -is -id
1. obsolete : naiad
2.
[New Latin Naid-, Nais genus of annelids from Latin, naiad]
: any of numerous small freshwater annelids constituting Nais and related genera of the order Oligochaeta