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        | a grouping or general division in classification |  | 
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 | Definition 
 
        | a violent, funnel-shaped windstorm (also called a tornado) |  | 
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 | Definition 
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 | Definition 
 
        | a storm system that forms in the tropics, which may become a tropical storm, then a hurricane |  | 
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        | Term 
 | Definition 
 
        | a violent, funnel-shaped windstorm (also called a cyclone) |  | 
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 | Definition 
 
        | a windstorm with heavy rain, usually in the Pacific Ocean |  | 
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 | Definition 
 
        | the center of a hurricane where the weather is calm and clear |  | 
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 | Definition 
 
        | emergency treatment for a sick or injured person, before they see a doctor |  | 
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 | Definition 
 
        | to move along with a twisting motion |  | 
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 | Definition 
 
        | to move along with a twisting motion |  | 
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 | Definition 
 
        | something that protects you from weather or danger |  | 
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 | Definition 
 
        | to flow over; to cover or fill with water |  | 
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 | Definition 
 
        | a flash of electricity in the sky |  | 
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 | Definition 
 
        | freedom from harm or danger |  | 
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 | Definition 
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        | Term 
 | Definition 
 
        | to die under water (or another liquid) because of lack of air |  | 
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