noun

• (sports) A shot on goal, especially one that ends in a goal.
  "The Italian opted for Bolton's Cahill alongside captain John Terry - and his decision was rewarded with a goal after only 13 minutes. Bulgaria gave a hint of defensive frailties to come when they failed to clear Young's corner, and when Gareth Barry found Cahill in the box he applied the finish past Nikolay Mihaylov."
• (professional wrestling, slang) The ending of a match and its structure.

verb

• (transitive) To complete (something).
  "Be sure to finish your homework before you go to bed!"
• (transitive) To apply a treatment to (a surface or similar).
  "The furniture was finished in teak veneer."
• (transitive) To change an animal's food supply in the months before it is due for slaughter, with the intention of fattening the animal.
  "Due to BSE, cows in the United Kingdom must be finished and slaughtered before 30 months of age."
• (intransitive) To come to an end.
  "We had to leave before the concert had finished."