harem pants means: The harem pants, which are long and baggy at the ankle, are long, fitted pants. They are originally known as a “harem” skirt. Paul Poiret, a Parisian designer introduced them to Western fashion circles in 1910. The Harem pant was inspired by Middle Eastern designs that go back to the beginning of the 20th century. The Harem pants were controversially introduced to a woman’s wardrobe at the time. Poiret’s inspiration came from images of harems and sultans. He created a look that was both shocking and liberating. (in Fashion Dictionary)

What else does harem pants mean?

These trousers are loosely tailored and gathered to the ankle. (in Merlin Dictionary)