In the Jewish calendar, a year of 355 days or a leap year of 385 days; perfect year.

plural of abundant year

(card games) An undertaking to take all thirteen tricks with the suit of the face-up card as trump.

(card games) An undertaking to take all thirteen tricks with no trump suit.

(mathematics) The divisor function of an integer divided by the integer.

caution used to justify preemptive measures that are likely not strictly necessary (often as "out of an abundance of caution")

In an abundant manner; in a sufficient degree; in large measure. / Extremely.

out of an abundance of caution.

(linguistics) Expressing the idea of abundance.

(Ancient Roman religion) A goddess of abundance and prosperity.