Answer: astragal

AnswerCrossword Clue
ASTRAGALAnklebone.
ASTRAGALSmall molding
astragala moulding (a long, narrow strip used to decorate a surface, also MOLDING)
astragalsmall convex molding cut into the form of a string of beads
astragalmolding attached to one or both meeting stiles of a pair of double doors in order to prevent drafts
astragalplain convex molding; bead