nə̇ˈrīd.ə noun
Etymology: New Latin, from Latin, sea snail, from Greek nēreitēs, nēritēs, from Nēreus Nereus
1. capitalized : the type genus of Neritidae comprising marine snails with the shell short and smooth or spirally ridged and with a thick usually toothed outer lip and a toothed operculum
2. -s : any mollusk of the genus Nerita — see bleeding tooth
• neri·toid nə̇ˈrīˌtȯid, ˈnerəˌ- adjective