Definition of "Collar" :

noun: the act of apprehending (especially apprehending a criminal)

"The policeman on the beat got credit for the collar."

noun: a figurative restraint

"Asked for a collar on program trading in the stock market."

noun: necklace that fits tightly around a woman's neck

noun: a band that fits around the neck and is usually folded over

noun: a band of leather or rope that is placed around an animal's neck as a harness or to identify it

noun: the stitching that forms the rim of a shoe or boot

noun: a short ring fastened over a rod or shaft to limit, guide, or secure a machine part

noun: anything worn or placed about the neck

"The thief was forced to wear a heavy wooden collar."

noun: (zoology) an encircling band or marking around the neck of any animal

verb: take into custody

verb: furnish with a collar

"Collar the dog."

verb: seize by the neck or collar