Cite
 

Dictionary


arch' head"



Mach.
a vertical, arc-shaped member fixed to the end of a walking beam, for supporting a chain from which a pump rod or the like is suspended in such a way as to let it rise and fall vertically.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

archfiendarchi-

 

Related Content