こうさ

Noun

 * 1)  common difference
 * 2)  crossing, intersection;  crossover
 * 3)  quiz, test; consideration
 * 4)  yellow sand; loess;  a desert; Asian Dust;  a gaol, jail , prison
 * 5)  range, array, extent
 * 1)  yellow sand; loess;  a desert; Asian Dust;  a gaol, jail , prison
 * 2)  range, array, extent

Verb

 * 1)  cross, intersect
 * 2)  to consider; to put to a test