king tide
n.— «During a King Tide, which is what the islanders call the highest tides of the year, waves rolling off the ocean can have a devastating effect.…A typical high tide reaches about two-and-a-half metres, while a King Tide like this can be more than three metres.» —“Tuvalu struggles to hold back tide” by David Shukman in Tuvalu BBC News (United Kingdom) Jan. 22, 2008. (source: Double-Tongued Dictionary)
Further reading
When a teenager went a week without talking as part of a school project, he noticed a surprising side effect: Instead of rehearsing a response to what other people were saying to him, he was focused on listening — and feeling smarter as a result...
Ever wonder what medieval England looked and sounded like? In Old English, the word hord meant “treasure” and your wordhord was the treasure of words locked up inside you. A delightful new book uses the language of that period to create...