/ig zerr'si tay"sheuhn/ , n.
1. exercise or exertion, as of the faculties or powers of the body or mind: an exercitation of the imagination.
2. practice or training: exercitations in logical thinking.
3. the performance of a religious observance; an act of worship.
4. a disquisition or discourse performed as a display of skill.
[ 1325-75; ME exercitacioun exercitation- (s. of exercitatio ) exercise, practice, equiv. to exercitat ( us ) (ptp. of exercitare, to exercise, freq. of exercere; see EXERCISE) + -ion- -ION ]