ˈbräŋkəs noun
( plural bron·chi -änˌkī, -äŋ-, -ˌkē)
Etymology: New Latin, from Greek bronchos trachea, throat — more at craw
: either of the two primary divisions of the trachea that lead respectively into the right and the left lung and that are structurally similar to the trachea ; broadly : any of the branches of each bronchus that ramify in the substance of the lung, exhibit increasing reduction and ultimate disappearance of cartilage in passing from the largest to the finest branches, and serve to connect the bronchioles with the primary bronchi and form a channel for the distribution of air in the lung