Definitions

from the GNU version of the Collaborative International Dictionary of English

  • n. a valve to regulate the admission or egress of air; esp. a valve which opens inwardly in a steam boiler and allows air to enter.
  • n. etc. See under Air. Ball, Check, etc.

Etymologies

Sorry, no etymologies found.

Examples

  • The air cells may all be represented as soft-walled bags opening freely into the bellows ” there being, so far as anatomists yet know, no valves or corresponding contrivances anywhere except at the glottis, which corresponds with the nozzle and air valve both, of our bellows.

    The Life and Letters of Thomas Henry Huxley

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