BOWLDER; BOULDER n.
A mass of any rock, whether rounded or not, that has been transported by natural agencies from its native bed. See Drift. 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.…
BRIDGE n.
of a hollow trunk or rectangular tube, with cellular walls made of iron plates riveted together, as the Britannia bridge over the Menai Strait, and the Victoria bridge at Montreal. -- Wheatstone's bridge (Elec.), a device for the measurement of resistances, so called because the balance between the resistances to be m…
BROOM n. 2 definitions
A plant having twigs suitable for making brooms to sweep with when bound together; esp., the Cytisus scoparius of Western Europe, which is a low shrub with long, straight, green, angular branches, mintue leaves, and large yellow flowers. No gypsy cowered o'er fires of furze and broom. Wordsworth.