noun the act of imposing a fin/.
2. fining ·p.pr. & ·vb.n. of fine.
3. fining ·noun that which is used to refine; especially, a preparation of isinglass, gelatin, ·etc., for clarifying beer.
4. fining ·noun the process of fining or refining; clarification; also (metal.), the conversion of cast iron into suitable for puddling, in a hearth or charcoal fire.