(intransitive, originally US, often imperative) To leave in a hurry; to go away.

(transitive) To shut down (a nuclear reactor or, by extension, some other thing) for safety reasons, usually because of an emergency.

(also attributively) A shutdown of a nuclear reactor (or, by extension, some other thing), often done rapidly due to an emergency.

(transitive, Derbyshire, Wales) To scratch (something) with claws or fingernails; to claw.

(Derbyshire, Wales) A scratch, especially caused by claws or fingernails.

Of one's body or limbs: to become numb or stiff due to cold, lack of movement, etc. / To be weakened by an accident, a disease, starvation, etc.

Alternative letter-case form of scram

Alternative letter-case form of scram

simple past tense and past participle of scram

Third-person singular simple present indicative form of scram