What is "jambes"

Jambes \Jambes\, Jambeux \Jam"beux\, n. pl. [From F. jambe a leg: cf. OF. jambiere. See Jamb, n.] (Ancient Armor) In the Middle Ages, armor for the legs below the knees, usually having front and back pieces; called also greaves. [Written also giambeux.]
--Chaucer.

Jambes is a Walloon town in southern Belgium, in the province of Namur. Since 1977 it has been part of the city of Namur and It was formerly a municipality itself until the fusion of Belgian municipalities in 1977.

Jambes is known for the former Géronsart Abbey, the 13th century Enhaive or Anhaive keep ( or Anhaive), the old bridge on the Meuse River and the seat of the Government of Wallonia (Élysette).