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plural spanners
(Australia, New Zealand, Britain, Ireland) A hand tool for adjusting nuts and bolts; a wrench. examples
(rare) One who, or that which, spans. quotations
The scheme of the spanner of continents and the desire of the little husbandman hoarding for his loved ones...
1915, Florence Kiper Frank, The Jew to Jesus: and other poems
(weaponry) A hand tool shaped like a small crank handle, for winding the spring of a wheel lock on a musket. quotations examples
The spanner for spanning or winding up the spring of the wheel lock.
1786, Francis Grose, A Treatise on Ancient Armour and Weapons, Fig. 10., page xvi
(obsolete) A device in early steam engines for moving the valves for the alternate admission and shutting off of the steam.
(UK) A problem, dilemma or obstacle; something unexpected or troublesome (in the phrase spanner in the works) examples
(Britain, Ireland, mildly derogatory) A stupid or unintelligent person; one prone to making mistakes, especially in language. examples
third-person singular simple present spanners, present participle spannering, simple past and past participle spannered
To use a spanner; to fix with a spanner examples