AD HOC
Means: "To this" Made up. An improvisation.
Example: "I wrote an ad hoc poem."
AD HOMINEM
Means: A below-the-belt personal attack.
AD INFINITUM
Means: Carried on endlessly. To infinity.
Example: "And so on and so on Ad Infinitum."
AD DOMINI
Means: In the year of our Lord.
ANTE MERIDIEM
Means: Before noon. AM.
Example: 6am
AQUA VITAE
Means: Water of Life. Usually in reference to whiskey or brandy.
AUDIO
Means: I hear. Pronounced: Audi (like the cars)
BONA FIDES
Means: Credentials establishing good faith and honesty.
CARPE DIEM
Means: Seize the day!
CAVE CANEM
Means: Beware of the dog
CIRCA
Means: Around
Example: The king was born circa 100 BC
COGITO ERGO SUM
Means: "I think, therefore I am."
CURRICULUM VITAE
Means: The course of life. Abbreviated CV, your resume or school and work history.
DEUS EX MACHINA
Means: A god out of a machine. Refers to plays where poor storytelling occurs and some outside force makes everything end well.
DULCE ET DECORUM EST PRO PATRIA MORI
Means: "It is sweet and fitting to die for your country."
ERGO
Means: Therefore.
EXEMPLI GRATIA
Means: For example e.g. ie:
FIAT LUX!
Means: Let there be light
HABEAS CORPUS
Means: "You must have the body." Now means that a person cannot be held without a trial. No person can be proven guilty without a fair trial.
IACTA ALEA EST
Means: "Its done, the decision is made."