Толковый словарь английского языка - duct

I. noun see: tow Date: 1667 a bodily tube or vessel especially when carrying the secretion of a gland, 2. a pipe, tube, or channel that conveys a substance, a pipe or tubular runway for carrying an electric power line, telephone cables, or other con~ors, a tube or elongated cavity (as a xylem vessel) in plant tissue, a layer (as in the atmosphere or the ocean) which occurs under usually abnormal conditions and in which radio or sound waves are confined to a restricted path, ~al adjective ~less adjective II. transitive verb Date: 1936 to enclose in a ~, to convey (as a gas) through a ~