BOULDERING
Meaning of BOULDERING in English
/bohl"deuhr ing/ , n.
pavement made with small boulders.
Also, bowldering .
[ 1875-80; boulder to pave with BOULDER(S) + -ING 1 ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012