Spar

To bolt, bar.

To fight, especially as practice for martial arts or hand-to-hand combat.

A stout pole.

A general term denoting any linear object used as a mast, sprit, yard, boom, pole or gaff.

A beam-like structural member that supports ribs in an aircraft wing or other airfoil.

Any of various microcrystalline minerals, of light, translucent, or transparent blee, which are easily cleft.

Any crystal with no readily discernible faces.