society > occupation and work > materials > types of material generally > [noun] > building-material > for specific constructions (3)
A structure in the form of a wharf; materials of which a wharf is constructed; the facing of seawalls, etc., by planks secured by ties.
= material composing a flume.
The constructing of a weir or of weirs; also, concrete materials used for making a weir or of which a weir is composed.