z bar

long metal bar formed into the letter "Z" and used to bind the exterior and interior walls of a cavity wall

(minuscule: ) is a letter of the Latin alphabet, derived from Z with the addition of a stroke. It was used in the Jaŋalif alphabet (as a part of Uniform Turkic Alphabet) for the Tatar language in the first half of the 20th century to represent a voiced postalveolar fricative (IPA: ). It is also used in the Latin Chechen spelling.
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BARRA A Z