1. a metal casting containing the cylinders and cooling ducts of an engine; - Example: "the engine had to be replaced because the block was cracked" [syn: engine block, cylinder block, block]
WordNet (r) 3.0 (2006):
engine block
n 1: a metal casting containing the cylinders and cooling ducts
of an engine; "the engine had to be replaced because the
block was cracked" [syn: engine block, cylinder block,
block]