noun

• The act or process of consolidating, making firm, or uniting; the state of being consolidated
• The combination of several actions into one.
• (medicine) A solidification into a firm dense mass. It is usually applied to induration (swelling or hardening of normally soft tissue) of a normally aerated lung.
• (rail transport) A steam locomotive of the 2-8-0 wheel arrangement, first built in the United States in 1866.