from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A hole or opening that allows for the passage of air, especially to facilitate breathing.
from the GNU version of the Collaborative International Dictionary of English.
- A hole to admit or discharge air; specifically, a spot in the ice not frozen over.
- (Founding) A fault in a casting, produced by a bubble of air; a blowhole.
- (Aëronautics) A local region in the atmosphere having a downward movement and offering less than normal support for the sustaining surfaces of a flying machine, causing an airplane to drop suddenly. Same as
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun a hole in any
surfacethat allows airor other gasesto pass, especially an openingin the surface of a frozen lakeetc
- noun an
- noun the
blowholeof a whale
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a local region of low pressure or descending air that causes a plane to lose height suddenly
- noun a hole that allows the passage of air
Sorry, no etymologies found.
Sorry, no example sentences found.