a. 久坐的, 坐惯的, 定栖的

[医] 静坐的; 坐式的

[ adj ]
requiring sitting or little activity
<adj.all>
forced by illness to lead a sedentary life

Sedentary \Sed"en*ta*ry\, a. [L. sedentarius, fr. sedere to sit:
cf. F. se['e]dentaire. See {Sedent}.]
1. Accustomed to sit much or long; as, a sedentary man.
``Sedentary, scholastic sophists.'' --Bp. Warburton.

2. Characterized by, or requiring, much sitting; as, a
sedentary employment; a sedentary life.

Any education that confined itself to sedentary
pursuits was essentially imperfect. --Beaconsfield.

3. Inactive; motionless; sluggish; hence, calm; tranquil.
[R.] ``The sedentary earth.'' --Milton.

The soul, considered abstractly from its passions,
is of a remiss, sedentary nature. --Spectator.

4. Caused by long sitting. [Obs.] ``Sedentary numbness.''
--Milton.

5. (Zo["o]l.) Remaining in one place, especially when firmly
attached to some object; as, the oyster is a sedentary
mollusk; the barnacles are sedentary crustaceans.

{Sedentary spider} (Zo["o]l.), one of a tribe of spiders
which rest motionless until their prey is caught in their
web.