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1.
1. A spectacular find, as in dating or marriage.

2. A golden discovery, as in a bargain or business deal.

3. Home-run-robbing snag made at the outfield wall by a professional baseball player.
1. Wow, I can't believe Sam is dating Melissa...she's quite a catch!

2. I found a used Jeep online the other day...low mileage, great engine, reasonable price...man, what a catch!

3. OH CAN YOU BELIEVE IT! He saved a home run with that waffle cone snag! That catch will be on Web Gems tomorrow, folks!
by Rangerfox86 July 30, 2009
 
2.
When referring to someone as "a catch" it is referring to a person with charm, swagger, and overall attractiveness to the opposite sex or even the same sex sometimes
The guy I went out to dinner with last night was such a catch!
by dollhaus March 14, 2011