| pipe(noun, verb, support, hold, take) |
| channel(noun, verb, support, move, hold) |
| chimney(noun, opening, stack, fan, vent) |
| transmit(verb, support, move, hold, take) |
| conduct(verb, support, move, hold, take) |
| duct(noun, channel, conduit, pipe, tube) |
| carry(verb, support, hold, take, direct) |
| conduit(noun, conduit, tube) |
| cone(noun, cone) |
| convey(verb, support, move, hold, take) |
| flue(noun, opening, airpipe) |
| passage(noun, verb, supply, opening, channel) |
| siphon(noun, verb, take, direct, transport) |
| smokestack(noun, opening, airpipe) |
| center(noun, verb, focus) |
| stack(noun, opening, fan, vent, pipe) |
| traject(verb, support, move, hold, take) |
| tube(opening, conduit, airpipe) |
| converge(verb, focus) |
| funnel shape(noun, expression, idiom) |