[AS.] A tube made of various materials- as earthenware, wood, metal, leather, guttapercha, etc. - for the conveyance of water, steam, gas, or other fluid; used for a great variety of purposes in the arts and in domestic economy. Tobacco-pipes, used in smoking tobacco, usually take the form of a bowl and connecting tube, and are made of baked clay, porcelain, stone, meerschaum, wood, and various metals. Meerschaum pipes are beautifully carved.' Pipe-stems are made of cane, and of cherry, elder, jasmine, and other woods; mouth-pieces are usually of bone, amber, ivory, and sometimes of silver. (See Meerschaum..)