# thirling

> English word · Noun

## Definitions
1. The act of boring or perforating
2. Same as thirl
3. In lead-mining, a mark indicating the termination of a set or pitch

## Etymology
From Middle English thurlunge, from Old English þȳrlung (“piercing”), verbal noun of þȳrlian (“to pierce”). Equivalent to thirl + -ing.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/thirling