What is the meaning of Blocker?

Agent noun of block (obstruct or prevent); something that blocks something else.

  1. One who blocks or impedes the movement of an opponent.
  2. A defensive or low-scoring batter.
  3. One who prevents another user from contacting them electronically.
  4. An application that stops / impedes unauthorised access to a programme.

    One who blocks or impedes the movement of an opponent.

    A defensive or low-scoring batter.

    One who prevents another user from contacting them electronically.

    An application that stops / impedes unauthorised access to a programme.

    A bug or issue that prevents software from being released.

    A gatekeeper who refuses the marketer access to the person they wish to contact.

    Any of various medications that block (inhibit) the activity of a chemical messenger or its receptors, such as cardiac conduction modifiers (e.g., alpha-blockers), gastric acid inhibitors (H₂ histamine blockers), puberty blockers, and others.

    A close-fitting rectangular glove worn by a goalie in multiple forms of hockey.

    A blocker bet.

    A playing card, needed by one player, that is held by another.

    A person who blocks (stretches or moulds) hats.

    A resident or member of a particular block.

    Source: wiktionary.org