vent

Short definition from Wiktionary

Noun

1. 1
   An opening through which gases, especially air, can pass.
2. 2
   A small aperture.
3. 3
   An opening in a volcano from which lava or gas flows.
4. 4
   A rant; a long session of expressing verbal frustration.
5. 5
   The excretory opening of lower orders of vertebrates; cloaca.
6. 6
   A slit in the seam of a garment.
7. 7
   The opening at the breech of a firearm, through which fire is communicated to the powder of the charge.
8. 8
   In steam boilers, a sectional area of the passage for gases divided by the length of the same passage in feet.
9. 9
   Opportunity of escape or passage from confinement or privacy; outlet.
10. 10
    Emission; escape; passage to notice or expression; publication; utterance.
11. 11
    Ventriloquism.
12. 12
    A baiting place; an inn.
13. 13
    Clipping of ventilation or ventilator.

Verb

1. 1
   To allow gases to escape.
2. 2
   To allow gases to escape from (a sealed space, container, etc.).
3. 3
   To allow to escape through a vent.
4. 4
   To express a strong emotion.
5. 5
   To snuff; to breathe or puff out; to snort.
6. 6
   To determine the sex of (a chick) by opening up the anal vent or cloaca.
7. 7
   To use a vent in the video game Among Us.
8. 8
   To sell; to vend.
9. 9
   To ventilate; to use a ventilator; to use ventilation.

Proper noun

1. 1
   A surname from Dutch.