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1) Maruta translates into the Japanese word for wood or logs.

2) The name of a Hentai comic

3) (commonly) Mad Scientist slang for one or more non volunteer human subjects.

Due to the mad scientists at Unit 731 and their use of the word as a secret synonym for "non volunteer human subjects"

the word will usually refer to "human subject", rather than actual "wood" when it is spoken in an non Japanese non wood related context.
Especially after the film "Men Behind the Sun" in which there is a scene explaining the meaning of "maruta" to a group of young cadets who have not done their homework.

The secret synonym of "logs" was chosen due to the fact that Unit 731 and its operations at a point was disguised as a lumber-mill, plus that most of the experiments would involve cutting up the logs and that these would be put in the stove and burned at the end to dispose of the evidence.

So if a mad scientists conducting some unofficial research asks you to bring maruta, he/she will usually be disappointed if you show up with firewood.

In popular culture:

As with many other Unit 731 related words it is also the name of a band and several songs in the heavy metal, thrash metal and Grindcore genre

4) It can be a Proper noun
"pick up that hitchhiker we are running low on maruta down at the labs"
Maruta by Danmark November 11, 2012
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Marc Marut 

Arguably one of the greatest actors of all time. Dropped out of acting in 1999 to pursue his karate career. Starred in one of the undisputed top 10 films of all time, The Paperboy (1994). Known for classic quotes such as, "No! It was supposed to be us, the family!", and "Oh, she broke her neck. She's going to be a paraplegic from now on."
1. Marc Marut is my hero.
2. Tom Hanks and Denzel Washington are great actors but they don't come close to Marc Marut.
Marc Marut by Officer Wanta February 8, 2008
Related Words
Makret makrout Makruk makuta makute makutu Marut Maruta marutard marute
short for "marine boot", a very junior marine usually in transition from boot camp to MCT/ITB or fresh out of MCT/ITB and newly arrived at their new command, that run around screaming oorah, semper fi, and kill, completely fresh and clueless as to what the Marine Corps really is and are lost on how real marines actually act in the world, they are fairly entertaining to watch because they look like lost puppies wondering around doing their marute things an aternative spelling is "maroot"
New River Marine1:lets goto the MCX

New River Marine2:are you crazy you know its Marute Monday, all of the marutes from Geiger will be here
marute by Lance coolie underground February 10, 2010
A warrior with more heart then muscle
I am the first ever Maruto of the universe
Maruto by Youngboicolbi February 19, 2019
The Most kickass damn cool small Car in India.Very Cool and pretty hot looks yet very cost effective or call it very cheap !Famous for its fuel efficency.And you can own a cool model for 4000 bucks !!!

Its better than Hummer-H3 or BMW 745 !!!
hey look at that , its a Maruti 800 !!!
maruti by Linkin Park September 20, 2005
Maruthi is the nicest guy on the planet! He is very nice and cool and looks really good in sunglasses. Although he is short, he is a very good sports player and has a lot of friends.
Wow, I wish I was a Maruthi!
Maruthi by HeinzKetchup7627 June 30, 2019

william maksuta 

ricardo queso, aka: richard cheese.
wow, is that ricardo queso? no- that's william maksuta.
william maksuta by lois einhorn August 8, 2009