babbitt metal

from The Century Dictionary.

• noun See metal.

from the GNU version of the Collaborative International Dictionary of English.

• A soft white alloy of variable composition (as a nine parts of tin to one of copper, or of fifty parts of tin to five of antimony and one of copper) used in bearings to diminish friction.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun an alloy of tin with some copper and antimony; a lining for bearings that reduces friction