Sedentary

1. a. Remaining in one place, especially when firmly attached to some object; as, the oyster is a sedentary mollusk; the barnacles are sedentary crustaceans.
2. a. Accustomed to sit much or long; as, a sedentary man.
3. a. Characterized by, or requiring, much sitting; as, a sedentary employment; a sedentary life.
4. a. Inactive; motionless; sluggish; hence, calm; tranquil.
5. a. Caused by long sitting.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.