actus

noun ac·tus \ ˈak-təs , especially in sense 2 ˈäk-ˌtu̇s \

Definition of actus

plural actus
1 Roman law :the right to drive a beast or a vehicle over another's land distinguished from iter and via
2
[Medieval Latin (translation of Greek energeia), from Latin actus]
:an act or thing done; specifically :a mental or spiritual act used in Scholasticism to render Aristotle's terms energeia and entelecheia — compare energy, entelechy

There's more!

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!
Already a subscriber? Log in.

Origin and Etymology of actus

Latin, literally, driving, doing, act, deed


Seen and Heard

What made you want to look up actus? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

money or riches

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one-green-toy-robot-amidst-many-red-toy-robots
  • Which of these words does not mean "nonsense"?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!