ALL meanings of blowhole
blow·hole
B b - noun blowhole a hole in ice through which whales, seals, etc, breathe 3
- noun blowhole a vent for air or gas, esp to release fumes from a tunnel, passage, etc 3
- noun blowhole a hole emitting gas or steam in a volcanic region 3
- noun blowhole a bubble-like defect in an ingot resulting from gas being trapped during solidification 3
- noun blowhole a hole in a cliff top leading to a sea cave through which air is forced by the action of the sea 3
- noun blowhole a nostril in the top of the head of whales and certain other cetaceans, through which they breathe 3
- noun blowhole a hole through which gas or air can escape, esp. in lava 3
- noun blowhole a hole in the ice to which seals, whales, etc. come to get air 3
- noun blowhole a vertical opening or chimney in the roof of a sea cave through which air and water are forced by the action of the waves and the rising tides 3
- noun blowhole a flaw in cast metal caused by an air or gas bubble 3
- noun blowhole the nostril, paired or single, of whales, situated far back on the skull 3
- noun blowhole an air or gas vent, especially one to carry off fumes from a tunnel, underground passage, etc. 1
- noun blowhole either of two nostrils or spiracles, or a single one, at the top of the head in whales and other cetaceans, through which they breathe. 1
- noun blowhole a hole in the ice to which whales or seals come to breathe. 1
- noun blowhole Metallurgy. a defect in a casting or ingot caused by the escape of gas. 1
- noun blowhole Geology. a hole in a sea cliff or coastal terrace through which columns of spray are jetted upward. 1
- noun blowhole whale, etc.: breathing hole 1
- noun blowhole The spiracle, on the top of the head, through which cetaceans breathe. 0
- noun blowhole A vent for the escape of gas. 0
- noun blowhole A top-facing opening to a cavity in the ground very near an ocean's shore, that leads to a marine cave from which wave water and/or bursts of air are expelled. 0
- noun blowhole An unintended cavity filled with air in a casting product. 0
- noun blowhole A vertical opening in the top of computer cases, that let hot air, primarily from the CPU heat sink, escape quickly. 0