floor collar

floor collar

[′flȯr ‚käl·ər]
(engineering)
A relatively narrow upright structural part fitted around the periphery of a hole where a pipe passes through to prevent drainage water from entering the hole.
References in periodicals archive ?
MASKED J Cop at scene DRAMA Z Man pokes head out of window in siege office ORDEALAbby Baafi RESPONSE n Cops move in CLEAR SIGHT J Marksman PROTECTION 3 Armed officer ARMS UP J Evacuation DEBRIS Documents flutter to the floor COLLARED 3 A man is led away by police after the siege CORDON 3 Armed officer runs across taped off high street
PROTECTION MASKED J Cop at scene J Cop in body armour DRAMA Z Man pokes head out of window in siege office ORDEALAbby Baafi RESPONSE n Cops move in CLEAR SIGHT J Marksman PROTECTION 3 Armed officer ARMS UP J Evacuation DEBRIS Documents flutter to the floor COLLARED 3 A man is led away yesterday after the siege CORDON J Armed officer runs across taped off Tottenham Court Road, central London yesterday