GNU Collaborative International Dictionary of English

last match results

Found one definition

1.       
   { Bowlder, Boulder , } n. [Cf. Sw. bullra to roar, rattle, Dan. buldre, dial. Sw. bullersteen larger kind of pebbles; perh. akin to E. bellow.]
   1913 Webster
   A large stone, worn smooth or rounded by the action of water; a large pebble.
   1913 Webster
   (Geol.) A mass of any rock, whether rounded or not, that has been transported by natural agencies from its native bed. See Drift.
   1913 Webster
   Bowlder clay, the unstratified clay deposit of the Glacial or Drift epoch, often containing large numbers of bowlders. -- Bowlder wall, a wall constructed of large stones or bowlders.
   1913 Webster