Distinctive genre in painting and other media, but most prominently in woodblock printing. It arose in the Edo period (1600-1868) and built up a broad popular market among the middle classes. Subject matter typically focused on brothel districts and kabuki theatres, with formats ranging from single sheet prints to book illustrations. Generally, the style is characterized by a mixture of the realistic narrative of the Kamakura period and the mature decorative style of the Momoyama and Edo periods. Distinctive styles and specialties in subject matter were developed by different schools throughout the period.

Source: Art & Architecture Thesaurus

http://vocab.getty.edu/page/aat/300106769