Related Noun(s):neckbandCategory: Objects
4.Definition: a figurative restraint
"Asked for a collar on program trading in the stock market", "Kept a tight leash on his emotions", "He's always gotten a long leash"
Related Noun(s):leashCategory: General
6.Definition: anything worn or placed about the neck
"The thief was forced to wear a heavy wooden collar", "A collar of flowers was placed about the neck of the winning horse"Category: Objects
"The policeman on the beat got credit for the collar"