Search Result for "logjam": 
Wordnet 3.0

NOUN (2)

1. any stoppage attributable to unusual activity;
- Example: "the legislation ran into a logjam"

2. an immovable mass of logs blocking a river; 



WordNet (r) 3.0 (2006):

logjam
    n 1: any stoppage attributable to unusual activity; "the
         legislation ran into a logjam"
    2: an immovable mass of logs blocking a river