Tidal Wave

Geyser, a spring from which hot water and steam erupt periodically. The word is derived from the Icelandic Geysir (“gusher”), the name of a… See more » Map, a drawing or other graphic representation of all or part of the earth's surface. Maps are flat; in this respect they differ from globes, or… See more » Tide, the rhythmic rising and falling of the surface of the oceans, seas, and other bodies of water. (Similar rhythmic movements, also called tides,… See more »