the world > space > relative position > support > [noun] > that which supports > supporting rod (12)
(a) Architecture (see quot. 1850); (b) a bar for keeping a casement window open at a certain angle; (c) = stay-rod n.
a rod serving to give support, or to connect two parts of a machine or structure to prevent displacement.
a bar which ties or acts as a tie, in a building or other structure.
a stay acting as a tie, used to support some part of a building.