Chillum is the word used to describe all smoking devices which consist of a straight pipe, which is not bent and on which a bowl is placed or a stone filter is inserted at the wider end. One smokes a chillum holding it almost vertically upwards, cupped in both hands.

A conical pipe used for smoking marijuana, usually made of fired clay, porcelain, soapstone, glass or more rarely, wood and 100-150 mm long and 25-35 mm wide at the mouth. * [http://www.adolphus.nl [..]