Webster Dictionary(0.00 / 0 votes)Rate this definition: Poke(noun) a large North American herb of the genus Phytolacca (P. decandra), bearing dark purple juicy berries; -- called also garget, pigeon berry, pocan, and pokeweed. The root and berries have emetic and purgative properties, and are used in medicine.
LINK / CITE ADD TO WORD LIST. noun. The definition of a tropical continental is a dry air mass formed over land in area close to the equator. An example of a tropical continental is a mass of warm air that forms over northern Mexico. a type of warm, dry air mass originating at low latitudes over land areas. 1  Link/Cite. 2  tropical.
pressure at any given height is called an air mass. A single air mass may spread over millions of square kilometers and be up to 10 kilometers deep. Types of Air Masses Scientists classify air masses according to two characteristics: temperature and humidity. Four major types of air masses influence the weather in North America: maritime tropical, continental tropical, maritime polar, and continental polar. The characteristics of an air mass depend on the temperatures and moisture content of the region over which the air mass forms. Remember that temperature affects air pressure. Cold, dense air has