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.
Air masses are relatively large bodies of air that are fairly horizontally uniform in characteristics. They have relatively uniform temperature and moisture content; the region separating two different air masses is called a front. Air masses form in source regions where there is little topography and relatively stagnant winds near the surface. The air mass takes on the properties of the surface of the source region (e.g., dry, hot, moist, etc.).