"groat - an old silver four-penny coin from around 1300 and in use in similar form until c.1662, although Brewer states in his late 1800s revised edition of his 1870 dictionary of slang that 'the modern groat was introduced in 1835, and withdrawn in 1887', which is somewhat confusing. Presumably there were different versions and issues of the groat coin, which seems to have been present in the coinage from the 14th to the 19th centuries. Very occasionally older people, students of English or History, etc., refer to loose change of a small amount of coin money as groats. Sadly the word is almost obsolete now, although the groat coin is kept alive in Maundy Money. The word derives from Middle English and Middle Dutch 'groot' meaning 'great' since this coin was a big one, compared to a penny. The similar German and Austrian coin was the 'Groschen', equivalent to 10 'Pfennigs'. The word can actually be traced back to Roman times, when a 'Denarius Grossus' was a 'thick penny' (equivalent)."