underrunner
underrunner noun: the lower of a pair of grinding millstones.
Noun
underrunner (plural underrunners)
- The lower of a pair of grinding millstones.
- FOR SALE AT A BARGAIN. […] Four run stones, Munson underrunners, 3 ft diameter.1890, The Northwestern Miller, volume 29, page 563
- The arrangement is preferably applied to an underrunner mill.1896, Great Britain. Patent Office, Patents for Inventions. Abridgments of Specifications, page 11
- An additional runner added to the bottom of a sledge to protect the main runners in harsh conditions.
- Less than half a mile to the south the party sighted an underrunner of a sledge, and assumed it to mark the location the Norwegians had assigned for 90°S.2002, Paul Simpson-Housley, Antarctica: Exploration, Perception and Metaphor, page 36
- A runner (mechanical part intended to guide or aid something else to move) designed to be inserted underneath the item to be moved.
- A triple tandem tow using underrunners. This method has been used for long ocean tows by tugs with a single-drum winch.1989, John S. Blank, Modern Towing, page 302
Forms of underrunner
| plural | underrunners |
|---|
Origin of underrunner
From under- + runner.
Questions about underrunner
- What does underrunner mean?
- Underrunner means the lower of a pair of grinding millstones.
- What part of speech is underrunner?
- Underrunner is a noun.
- What is the plural of underrunner?
- The plural of underrunner is underrunners.
Words near underrunner in the dictionary
Source and license
Adapted from Wiktionary: underrunner (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-underrunner.wav.
Cite this entry: “underrunner.” Word.ws, https://word.ws/underrunner. Based on Wiktionary, CC BY-SA 4.0.