river boulder
noun1
A boulder that has been carried by a river to a place far away from its original location.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
A boulder that has been carried by a river to a place far away from its original location.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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