osier

plural osiers

1. countableuncountableA willow, of species Salix viminalis, growing in wet places in Europe and Asia, and introduced into North America, considered the best willow for wickerwork.

   Synonyms: common osier

2. broadlycountableuncountableAny kind of willow.
3. countableuncountableLong, pliable twigs of this plant, or of other similar plants.

   Wattling consists of a row of upright stakes the spaces between which are more or less filled by interweaving small branches, hazel rods, osiers, reeds, thin strips of wood, or other pliant material.

   1952, L.F. Salzman, Building in England, page 188

   1 more example

   She pulled half a dozen fine fish out of the water within the reeds, killing each as she took it out, and threading it on a long osier that she carried. Then she knotted the osier, hung it on her arm, picked up the pitcher, and turned to come back.

   1906, E. Nesbit, The Story of the Amulet

plural Osiers

1. A surname from French.