A terminator: a line on a partially-illuminated surface separating the lit and shaded regions.
The ⟨L⟩ or pipe ⟨|⟩ mark formerly used to divide integers from decimals.
The proofreader's mark resembling a slash ⟨ / ⟩ or vertical bar ⟨ | ⟩ placed after a note in the margin to indicate that it should replace the item(s) struckthrough in the running text or to separate it from other margin notes.
The line between regions having different magnetic fields.
The boundary separating two modes of behavior in a differential equation.
A small aperture.
An opening in a volcano from which lava or gas flows.
Opportunity of escape or passage from confinement or privacy; outlet.
The opening at the breech of a firearm, through which fire is communicated to the powder of the charge.
Ventriloquism.
A slit in the seam of a garment.
Emission; escape; passage to notice or expression; publication; utterance.
An opening through which gases, especially air, can pass.
The excretory opening of lower orders of vertebrates.
A rant; a long session of expressing verbal frustration.
In steam boilers, a sectional area of the passage for gases divided by the length of the same passage in feet.
To allow gases to escape.
To determine the sex of (a chick) by opening up the anal vent or cloaca.
To ventilate; to use a ventilator; to use ventilation.
To express a strong emotion.
To snuff; to breathe or puff out; to snort.
To sell; to vend.
To allow to escape through a vent.