Pence meaning : In the United Kingdom and Ireland, a copper coin worth 1/240 of a pound sterling or Irish pound before decimalisation. Abbreviation: d. In the United Kingdom, a copper coin worth 1/100 of a pound sterling. Abbreviation: p. In Ireland, a coin worth 1/100 of an Irish pound before the introduction of the euro. Abbreviation: p. In the US and Canada, a one-cent coin, worth 1/100 of a dollar. Abbreviation: ¢. In various countries, a small-denomination copper or brass coin. A unit of nail size, said to be either the cost per 100 nails, or the number of nails per penny. Abbreviation: d. Money in general.