blocker
1. [ noun ] (medicine,pharmacology) a class of drugs that inhibit (block) some biological process
Synonyms: blocking_agent
Related terms: agent medicine labetalol alpha-adrenergic_blocker neuromuscular_blocking_agent beta_blocker
2. [ noun ] Last name, frequency rank in the U.S. is 2966
3. [ noun ] (sport,american football,games) a football player whose responsibility is to block players attempting to stop an offensive play
Related terms: football_player parry
Similar spelling:   Blacker
  Blaker
  Blackerby
  blucher
  Blocher
  bluchers
  Blacksher
  Bleser
  blazer
  Blaser
  blusher
  Blosser
  Blazier
  Blauser
  Blackard
  black_rot
  black_rat