n. 25B6; noun
a shirt collar : NECKBAND, choker; historical ruff, gorget, bertha.
a collar round the pipe : RING, band, collet, sleeve, flange.
25B6; verb (informal)
he collared a thief : APPREHEND, arrest, catch, capture, seize; take prisoner, take into custody, detain; informal nab, pinch, bust, pick up, pull in, feel someone's collar; Brit. informal nick.
she collared me in the street : ACCOST, waylay, hail, approach, detain, stop, halt, catch, confront, importune; informal buttonhole; Brit. informal nobble.