fettler

== English == === Etymology === From fettle +‎ -er. === Pronunciation === === Noun === fettler (plural fettlers) A person who maintains railway lines. 1939, Comrade Fettler (a Union song about Fettlers)[2] The summer brings its nursery, with dust and sandy blight But the Fettler must keep toiling, to keep the track alright. Someone whose job is to sand and grind small imperfections from metal and ceramic castings. (by extension) Someone who fiddles or tinkers with things. (slang, UK, Lancashire) A friend or mate. (mining, historical) An ostler; one who looks after the horses in a mine.