from the GNU version of the Collaborative International Dictionary of English
- n. See 3d trone, 2.
from The Century Dictionary and Cyclopedia
- n. A wooden pillar or post set up in a market-place and supporting a horizontal beam on which were hung the town scales for weighing wool and other articles: hence the phrases tron weight, tron stone, tron pound, etc. Also trone.
- n. A wooden air-shaft in a mine.
Sorry, no etymologies found.