from
The Collaborative International Dictionary of English v.0.48
Movable \Mov"a*ble\, a. [Cf. OF. movable. See {Move}.]
1. Capable of being moved, lifted, carried, drawn, turned, or
conveyed, or in any way made to change place or posture;
susceptible of motion; not fixed or stationary; as, a
movable steam engine. [Also spelled {moveable}.]
Syn: transferable, transferrable, transportable.
[1913 Webster]
2. Changing from one time to another; as, movable feasts, i.
e., church festivals, the date of which varies from year
to year.
[1913 Webster]
{Movable letter} (Heb. Gram.), a letter that is pronounced,
as opposed to one that is quiescent.
{Movable feast} (Ecclesiastical), a holy day that changes
date, depending on the lunar cycle. An example of such a
day is {Easter}.
[1913 Webster +PJC]