pannier Definition

pannier
noun

1a. One of a pair of baskets carried over the back of a donkey or other pack animal;
1b. One of a pair of bags carried on either side of the wheel of a bicycle, etc.
2a. historical
A system of hoops used for speading out a woman's dress at the hips;
2b. historical
A tucked-up arrangement of fabric on either side of a woman's skirt.

Etymology: 13c, originally referring to a large basket for carrying food: from French panier, from Latin panarium bread basket.