Many mammals sleep for a large proportion of each 24-hour period when they are very young. However, killer whales and some other dolphins do not sleep during the first month of life. Instead, young dolphins and whales frequently take rests by pressing their body next to their motherâs while she swims.
typhoon meaning, definition, what is typhoon: a violent wind that has a circular movement, found in the West Pacific Ocean: . Learn more.
English Word Definitions and Meanings: Hurricane. A hurricane (noun) is a large, destructive wind storm which travels at great speed across land and sea. Very powerful hurricanes that cause a lot of damage are sometimes known as superstorms. Watch the video above to learn more about the destructive power of hurricanes.