ultim- +

The action or process of bringing something to an ultimate result; final issue or development.

Having the character of an ultimatum.

1. A final offer or demand, especially by one of the parties engaged in negotiations, the rejection of which usually leads to a break in relations and unilateral action, the use of force, etc. by the party issuing the ultimatum.
2. A demand accompanied by a threat to inflict some penalty if the demand is not met.
3. Used in law, a final statement of terms, the rejection of which will lead to the severing of diplomatic relations and a state of hostility.
4. The result of a negotiation that comprises the final determination of a party concerned in the matter in dispute.

Farewell for the last time.

Also, Supremum vale or "Farewell for the last time"; that is, just before death takes over.

Used in law: the last will of a testator is to be fulfilled according to his true intention.

In the preceding month: an old-fashioned usage; such as, "Yours of the 13th (day) ultimo received."

Applied to a gland in the neck which in many lower vertebrates regulates the calcium level in the body but in man and several higher vertebrates is absorbed into the thyroid during embryonic life.

1. Inheritance or succession by the youngest son of the family.
2. The mode of succession by which the right of inheritance pertains to the youngest member of a family.

A reference to the preceding (month); of the last month.

The final point or limit.

1. The last thing dying, the last to die.
2. In medicine, a reference to the right atrium (chamber of the heart); said to be the last part of the body to stop moving in the process of dying.
3. The right atrium of the heart, believed to contract after the rest of the heart is still.

Extreme punishment or penalty; the punishment of death.

The most extreme punishment we consider to be death alone: used in law.

In law, the last (or final) heir.

The last of the kings. A reference to the seventh and last king of Rome, Tarquin the Proud, exiled 510 B.C.