Is “Osier” a Scrabble word?
Yes
OSIER
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Osier
/ˈəʊzɪə/
noun
1.A kind of willow, Salix viminalis, growing in wet places in Europe and Asia, and introduced into North America. It is considered the best of the willows for basket work. The name is sometimes given to any kind of willow.
2.One of the long, pliable twigs of this plant, or of other similar plants.