clutch

Short definition from Wiktionary

Verb

1. 1
   To seize, as though with claws.
2. 2
   To grip or grasp tightly.
3. 3
   To win despite being the only remaining player on one's team, against several opponents.
4. 4
   To unexpectedly or luckily succeed in a difficult activity.
5. 5
   To hatch.

Noun

1. 1
   The claw of a predatory animal or bird.
2. 2
   A grip, especially one seen as rapacious or evil.
3. 3
   A device to interrupt power transmission, commonly used to separate the engine and gearbox in a car.
4. 4
   The pedal in a car that disengages power and torque transmission from the engine (through the drivetrain) to the drive wheels.
5. 5
   Any device for gripping an object, as at the end of a chain or tackle.
6. 6
   A fastener that attaches to the back of a tack pin to secure an accessory to clothing. (See Clutch (pin fastener).)
7. 7
   A small handbag or purse with no straps or handle.
8. 8
   An important or critical situation.
9. 9
   A difficult maneuver.
10. 10
    A brood of chickens or a sitting of eggs; a sitting.
11. 11
    A group or bunch (of people or things).

Adjective

1. 1
   Performing or tending to perform well in difficult, high-pressure situations.