颈圈

颈圈	jǐng quān	collar (animal)
颈	gěng	used in 脖颈
颈	jǐng	neck
圈	juān	to confine / to lock up / to pen in
圈	juàn	livestock enclosure; pen; fold; sty
圈	quān	circle; ring; loop / (fig.) social circle; niche group; community; fandom / classifier for loops, orbits, laps / to surround; to encircle / to circle (sth); to mark with a circle