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Meaning of holddown

hold•down

Pronunciation: (hōld'doun"), [key]
— n.
  1. a clamp for holding a metal piece, as a sheet being deep-drawn, to prevent distortion or movement.
  2. restraint or limitation short of reduction, esp. on costs: a substantial holddown on military spending.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.