bn:00067951n
Noun Concept
EN
river boulder
EN
A boulder that has been carried by a river to a place remote from its place of origin WordNet 3.0
Definitions
Relations
Sources
EN
A boulder that has been carried by a river to a place remote from its place of origin WordNet 3.0 & Open English WordNet
IS A
WordNet 3.0 & Open English WordNet