from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To unfasten (something tacked).
- v. To remove the tack from.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To separate, as what is tacked; to disjoin; to release.
from The Century Dictionary and Cyclopedia
- To separate (that which is tacked); disjoin; loosen; release.
If I had some pasture fenced off and a run-in shed, I could untack and let the horses do their thing while I worked.
I helped Eric untack Luna, and after he left the stable, I spent a few minutes with Charm, who was in desperate need of a treat.
Besides, I must all undress me, in a manner, to untack them.
We untack them, which means unsaddling them, and we usually rinse them down, because they're sweaty and stuff, and then we'll turn them out and feed them.
On th ground it isn't much, ued to help look after my aunties field ornament years ago and know hoe to tack, untack and rug safely etc.
I thought HH was too, but while we were about to untack him he loaded himself onto the lorry as if to say "if you think I'm jumping any more you've got another think coming!"