A Strut

1. (also figuratively) A step or walk done stiffly and with the head held high, often due to haughtiness or pride; affected dignity in walking.
2. (historical) An instrument for adjusting the pleats of a ruff.
3. (chiefly construction) A beam or rod providing support. Synonym: rib Strut - Wikipedia
4. An act of strutting (“bracing or supporting (something) by a strut or struts (sense 1); attaching diagonally; bending at a sharp angle”); specifically, deviation (of the spoke of a wheel) from the normal position.