Definition of precaution written for English Language Learners from the Merriam-Webster Learner's Dictionary with audio pronunciations, usage examples, and count/noncount noun labels. Learner's Dictionary mobile search
Freebase(0.00 / 0 votes)Rate this definition: Mutt and Jeff. Mutt and Jeff was a long-popular American newspaper comic strip created by cartoonist Bud Fisher in 1907 about two mismatched tinhorns.. It is commonly regarded as the first daily comic strip.
They get called in when regular police are out of their depth. Since the 1960s, law enforcement agencies have trained small teams of officers for dangerous situations and outfitted them with military equipment. (The letters of SWAT stand for Special Weapons and Tactics.) Teams are often called in when a gunman barricades himself into a building, especially if he takes hostages. They may also help regular police serve warrants, search for a dangerous criminal, or control large crowds.