channel a passage for water (or other fluids) to flow through; "the fields were crossed with irrigation channels"; "gutters carried off the rainwater into a series of channels under the street"
container any object that can be used to hold things (especially a large metal boxlike object of standardized dimensions that can be loaded from one form of transport to another)
trough -
A channel for conveying water or other farm liquids such as milk from place to place by gravity; any ‘U’ or ‘V’ cross-sectioned irrigation channel.
trough -
A long, narrow depression between waves or ridges; the low portion of a wave cycle.
