noun

• (countable) The act of seizing or capturing.
  "The catch of the perpetrator was the product of a year of police work."
• (countable) The act of catching an object in motion, especially a ball.
  "The player made an impressive catch."
• (countable) The act of noticing, understanding or hearing.
  "Good catch. I never would have remembered that."
• (uncountable) The game of catching a ball.
  "The kids love to play catch."

verb

• (heading) To capture, overtake.
  "I hope I catch a fish."
• (heading) To capture, overtake.
  "And they send unto him certain of the Pharisees and of the Herodians, to catch him in his words."
• (heading) To capture, overtake.
  "The public[…]said that Miss Bogardus was a suffragist because she had never caught a man; that she wanted something, but it wasn't the vote."
• (heading) To capture, overtake.
  "If he catches you on the chin, you'll be on the mat."