Definition: A type of mound or hill that is built over a grave, often found in ancient burial sites.

Example: The archaeologists discovered a tumulus that contained ancient artifacts.

Definition: A small tower or structure that often has weapons or equipment, commonly found on military vehicles or buildings.

Example: The tank's turret rotated to aim at the target.

Definition: A word that means two, often used in literary contexts.

Example: The old saying goes, "Never the twain shall meet."

Definition: Not a valid English word.

Example: Not available.

Definition: A person who kills a cruel and oppressive ruler.

Example: The people celebrated the act of tyrannicide as a victory for freedom.

Definition: A person who rules with absolute power in a cruel or oppressive way, often disregarding laws and fairness.

Example: The people rebelled against the tyrant who ruled their country with fear and violence.

Definition: A title used for a Russian emperor or ruler, similar to a king or monarch.

Example: The last tzar of Russia was overthrown during the revolution.

Definition: A form of government or rule by a tsar, typically associated with Russia before the 1917 revolution.

Example: The history of tzardom in Russia is marked by the reign of powerful tsars.

Definition: A title used in Russia for the daughter of a tsar, which is a royal or imperial title.

Example: The tzarevna wore a beautiful gown at the royal ball.

Definition: A title used for a female ruler or the wife of a czar in Russia, similar to a queen.

Example: The tzarina was known for her influence in the royal court.

Definition: A system of government in which a tsar (or czar) has absolute power, often associated with the autocratic rule in Russia before the 1917 revolution.

Example: Tzarism was characterized by the concentration of power in the hands of the tsar, limiting the influence of the people.