[1] : The Collaborative International Dictionary of English v.0.48

deadbeat \dead"beat`\, a. physics
   making a beat without recoil; giving indications by a single
   beat or excursion; -- said of galvanometers and other
   instruments in which the needle or index moves to the extent
   of its deflection and stops with little or no further
   oscillation.
   1913 webster

   deadbeat escapement. see under escapement.
      1913 webster
see also:
deadbeat escapement escapement 

Escapement >> E Words
Escapement, definition of term: Escapement
escapement_pag1.html

Deadbeat >> D Words
Deadbeat, definition of term: Deadbeat
deadbeat_pag1.html