What is "to set one's rest"

Rest \Rest\, n. [AS. rest, r[ae]st, rest; akin to D. rust, G. rast. OHG. rasta, Dan. & Sw. rast rest, repose, Icel. r["o]st the distance between two resting places, a mole, Goth. rasta a mile, also to Goth. razn house, Icel. rann, and perhaps to G. ruhe rest, repose, AS. r[=o]w, Gr. 'erwh`. Cf. Ransack.]

1. A state of quiet or repose; a cessation from motion or labor; tranquillity; as, rest from mental exertion; rest of body or mind.
   --Chaucer.

   Sleep give thee all his rest!
   --Shak.

2. Hence, freedom from everything which wearies or disturbs; peace; security.

   And the land had rest fourscore years.
   --Judges iii. 30.

3. Sleep; slumber; hence, poetically, death.

   How sleep the brave who sink to rest, By all their country's wishes blest.
   --Collins.

4. That on which anything rests or leans for support; as, a rest in a lathe, for supporting the cutting tool or steadying the work.

   He made narrowed rests round about, that the beams should not be fastened in the walls of the house.
   --1 Kings vi. 6.

5. (Anc. Armor) A projection from the right side of the cuirass, serving to support the lance.

   Their visors closed, their lances in the rest.
   --Dryden.

6. A place where one may rest, either temporarily, as in an inn, or permanently, as, in an abode. ``Halfway houses and travelers' rests.''
   --J. H. Newman.

   In dust our final rest, and native home.
   --Milton.

   Ye are not as yet come to the rest and to the inheritance which the Lord your God giveth you.
   --Deut. xii. 9.

7. (Pros.) A short pause in reading verse; a c[ae]sura.

8. The striking of a balance at regular intervals in a running account. ``An account is said to be taken with annual or semiannual rests.''
   --Abbott.

9. A set or game at tennis. [Obs.]

10. (Mus.) Silence in music or in one of its parts; the name of the character that stands for such silence. They are named as notes are, whole, half, quarter,etc.

    Rest house, an empty house for the accomodation of travelers; a caravansary. [India]

    To set one's rest or To set up one's rest, to have a settled determination; -- from an old game of cards, when one so expressed his intention to stand or rest upon his hand. [Obs.]
    --Shak.
    --Bacon.

    Syn: Cessation; pause; intermission; stop; stay; repose; slumber; quiet; ease; quietness; stillness; tranquillity; peacefulness; peace.

    Usage: Rest, Repose. Rest is a ceasing from labor or exertion; repose is a mode of resting which gives relief and refreshment after toil and labor. The words are commonly interchangeable.