three halfpence noun4 •(historical) A silver coin with a face value of one and a half pence (1½d.). •(historical) Such an English coin (1½d.), minted 1561–1582. •(historical) Such a British coin (1½d. = £⅟₁₆₀), minted 1834–1843 and 1860–1862 for circulation in the colonies of the British Empire (chiefly Ceylon and the West Indies). •(UK, old-fashioned) A money of account equal to 1½d. formsthree halfpences · three halfpenny · three-halfpenny