We have no meanings for "main vent" in our records yet.
1 And in the advance of a cause the people found the main vent for their passions.
2 All house drains and soil lines on which a water closet is located must have a 4-inch main vent line.
3 It warned however that an explosive eruption from the main vent area remained possible and could still happen without precursor activity.
4 He gently placed the device inside the opening, pushing it toward the intersection of the main vent as far as he could reach.
5 Satellite image of the island of Tenerife with the main vent of the volcano (El Teide) in the central part of the island.
6 This resulted in removal of a portion of the rim, completely covering one of the main vents , where a small lava pond was previously observed.
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