As nouns the difference between cobblestone and boulder
is that cobblestone is a rounded stone from a river bed, fit for use as ballast in ships and for paving roads while boulder is a large mass of stone detached from the surrounding land.
As a verb boulder is
to engage in bouldering.
cobblestone
English
Noun
(
en noun)
A rounded stone from a river bed, fit for use as ballast in ships and for paving roads.
Synonyms
* cobble (as backformation)
References
*
boulder
English
Alternative forms
* bowlder, bulder (dated)
Noun
(
en noun)
A large mass of stone detached from the surrounding land.
(geology) A particle greater than 256 mm in diameter, following the Wentworth scale
Derived terms
* bouldering
Verb
(
en verb)
To engage in bouldering
*
*
*
Anagrams
*