What is Pittance?

Legal Definition
Pittance (through French pitance and from Latin pietas, loving kindness) is a gift to the members of a religious house for masses, consisting usually of an extra allowance of food or wine on occasions such as the anniversary of the donor's death festivals and other similar occasions. The word was early transferred to a charitable donation and to any small gift of food or money.
-- Wikipedia
Legal Definition
A slight repast or refection of fish or flesh more than the common allowance; and the plttancer was the officer who distributed this at certain appointed festivals. Cowell.
-- Black's Law Dictionary