from The Century Dictionary.
- So tight as to prevent the passage of wind or air.
from the GNU version of the Collaborative International Dictionary of English.
- adjective So tight as to prevent the passing through of wind.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
from Wiktionary, Creative Commons Attribution/Share-Alike License
From wind + tight.
The unprotected roof was lagged with sacks and sheep-skins and, after this had been effected, the hut became practically windtight.