In feudal times, the samurai's wife, or okugatasama (literally: the one who stays at home), looked after the children and chores, and defend the house from thieves and invaders while her husband was away in State or clan battles.
Glossary of kabuto. Downloadable pdf samurai armor glossary. "The Samurai Armour Glossary", Nihon-No-Katchu.com Open Libary Contributers:Ian Bottomley & Dave Thatcher, Editor:Tracy Harvey. http://nihonto.org.pl/wp-content/uploads/2013/01/The_Samurai_Armour_Glossary_2013.pdf