Search Result for "bronchiole": 
Wordnet 3.0

NOUN (1)

1. any of the smallest bronchial ducts; ending in alveoli; 



The Collaborative International Dictionary of English v.0.48:

Bronchiole \Bron"chi*ole\, n. (Anat.)
   A minute bronchial tube.
   [1913 Webster]


WordNet (r) 3.0 (2006):

bronchiole
    n 1: any of the smallest bronchial ducts; ending in alveoli