⇨ deaner; deener; dener; dienernoun a shilling. Until decimalisation in 1971; probably from denier (a French coin, the twelfth part of a sou). After the introduction of decimal currency in Australia in 1966, it came to mean a ten cent piece, or its value, a similar coin with about the same comparative value; dying out from the 1980s, now seldom heard UK, 1857