noun.
An English piece of money equal to one fourth of a penny; the smallest English coin and money of account.
noun.
A division of land, probably originally a fourth of a hide; later, a quarter of an acre.
noun.
Anything very small; a small quantity.
noun.
[In the New Testament farthing is used to translate the Greek name of two small Roman coins, the assarius, worth one and a half cents, and the quadrans, a quarter of an assarius.]