Definition of blocker in English:


Syllabification: block·er
Pronunciation: /ˈbläkər


1A person or thing that blocks, in particular.
1.1 Football A player whose task it is to block for the ballcarrier or kicker.
More example sentences
  • Look at all of the quality running backs, blockers, and wideouts.
  • He was a tremendous rusher, a great receiver, and one of the best blockers ever for a running back.
  • At any rate, they have to get a passer at some point, as well as a running back and a blocker.
1.2A substance that prevents or inhibits a given physiological function.
More example sentences
  • We coded all drugs according to the British National Formulary and defined secondary prevention drugs as aspirin, blockers, lipid lowering agents, or angiotensin converting enzyme inhibitors.
  • The rest of the market goes to acid blockers, which prevent the action of histamine on the acid-secreting cells of the stomach, reducing acid secretion.
  • Medicines called ACE inhibitors and angiotensin-II receptor blockers are helpful.

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