Hawaiian Word of the Day: February 17th By Leilani Poli`ahu • Feb 17, 2021 ShareTweetEmail Our Hawaiian word for today is wai honua for ground water. Wai, is for water, and honua for ground or earth. There are many different kinds of water, all beginning with the word wai. Try to think of a few others. Listen Listening... / 0:29 Tags: HWOTDhawaiianWordShareTweetEmailView the discussion thread.