Search Result for "water hammer":
Wordnet 3.0

NOUN (1)

1. the banging sound of steam in pipes;


The Collaborative International Dictionary of English v.0.48:

Water hammer \Wa"ter ham"mer\ (Physics) 1. A vessel partly filled with water, exhausted of air, and hermetically sealed. When reversed or shaken, the water being unimpeded by air, strikes the sides in solid mass with a sound like that of a hammer. [1913 Webster] 2. A concussion, or blow, made by water in striking, as against the sides of a pipe or vessel containing it. [1913 Webster] 3. A metal hammer used when heated, as by dipping in hot water, to blister the skin, as for counterritation. [Webster 1913 Suppl.]
WordNet (r) 3.0 (2006):

water hammer n 1: the banging sound of steam in pipes