definition of
catch

[1] #1 catch v. discover or come upon accidentally, suddenly, or unexpectedly; catch somebody doing something or in a certain state; "She caught her son eating candy"; "She was caught shoplifting". wn

[2] #2 catch v. [pick up] perceive with the senses quickly, suddenly, or momentarily; "I caught the aroma of coffee"; "He caught the allusion in her glance"; "ears open to catch every sound"; "The dog picked up the scent"; "Catch a glimpse". wn

[3] #3 catch v. [get] reach with a blow or hit in a particular spot; "the rock caught her in the back of the head"; "The blow got him in the back"; "The punch caught him in the stomach". wn

[4] #4 catch v. [grab, take hold of] take hold of so as to seize or restrain or stop the motion of; "Catch the ball!"; "Grab the elevator door!". wn

[5] #5 catch v. [get, capture] succeed in catching or seizing, especially after a chase; "We finally got the suspect"; "Did you catch the thief?". wn