a pipe, tube, or channel that conveys or carries air, power lines, telephone cables, etc
a pipe, tube, or channel that conveys a substance
a pipe or tubular channel for carrying electric power lines, telephone cables, or other conductors
a bodily tube or vessel, esp one that carries a glandular secretion
an elongated tubular cavity in plant tissue
ducting noun
[Latin ductus past part. of ducere to lead]