Dehydration: Excessive loss of body water. Diseases of the gastrointestinal tract that cause vomiting or diarrhea may lead to dehydration. There are a number of other causes of dehydration including heat exposure, prolonged vigorous exercise, kidney disease, and medications that cause voiding (diuretics). One clue to dehydration is a rapid drop in weight. A loss of over 10% (15 pounds in a person weighing 150 pounds) is considered severe.
In American the meaning of the name Lucas is: Light. The name Lucas is a Biblical baby name. In Biblical the meaning of the name Lucas is: Luminous, white. The name Lucas is an English baby name. In English the meaning of the name Lucas is: Form of Luke: light; illumination. The name Lucas is a Greek baby name. In Greek the meaning of the name Lucas is: Light giving. From Lucania (Lucania was a district of ancient Italy). The name Lucas is a Latin baby name. In Latin the meaning of the name Lucas is: Form of Luke 'light; illumination.
Maya stereotypes him as a cowboy, but it is revealed that he is actually descended from a family of cowboys in Girl Meets 1961. Lucas is one of the good kids in Mr. Matthews class, but he still has a wild and rebellious streak within him (he is referred to as Texas Lucas by Farkle in Girl Meets Rileytown). It is vaguely revealed that Lucas was expelled from his old school in Texas for fighting.