collar - noun

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

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

anything worn or placed about the neck

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

the stitching that forms the rim of a shoe or boot

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

necklace that fits tightly around a woman's neck

a figurative restraint

the act of apprehending (especially apprehending a criminal)

collar - verb

• take into custody
• seize by the neck or collar
• furnish with a collar

collar - thesaurus

apprehend   apprehension   arrest   catch   choker   cop   leash   nab   nail   neckband   pinch