collar
n. countable A2 Elementary US //ˈkɑɫɝ// UK //kˈɒlɐ// col·lar
n. the part of a shirt or jacket that goes around your neck. It can be folded down or stand up straight.
n. the part of a garment that fastens around or frames the neck. Often used metaphorically in 'white-collar' or 'blue-collar' to describe types of work.
He straightened his shirt collar before the interview.
The dog's leather collar has a small metal tag with its owner's phone number on it.
While the traditional dress code requires a stiff, formal collar, many modern offices now permit more relaxed styles that prioritize comfort over rigid professional aesthetics.