(archaic) To get on one's high horse.

(programming) making inheritance possible by cloning objects instead of instantiating them from classes

(chemistry) a flexible rubber scraper attached to a glass rod, used in chemistry laboratories for amalgamating and transferring solid residues in gravimetric analysis.

(said of people and their conviction) Firm; unshakeable; unyielding; determined. / (of an object) Very difficult to break, pierce, or cut.