OED has "semi-island, -islet, a piece of land that becomes insular at high tide," under "semi-". Grant Barrett On Oct 11, 2004, at 16:47, Joyce, Thomas F. wrote: > Is there a word in English (or any other language for that matter) that > denotes a feature of land that is an island at high tide but a > peninsula > (spit, promontory, etc.) at low tide?