Senses
通道 passageway
thoroughfare; a path or passage for travel or transport
通道 channel
a path or frequency used for transmitting information, data, or communication signals
通道 Tongdao County
Tongdao Dong autonomous county in Huaihua, Hunan Province
通道 to open a road
(literary) to open up a path or clear a way for travel
通道 universal principle
(literary) a fundamental moral principle or social law that applies to all people; same as 达道