recess
A break, pause or vacation.
Spring recess offers a good chance to travel.
An inset, hole, space or opening.
Put a generous recess behind the handle for finger space.
A time of play during the school day, usually on a playground; break, playtime.
Students who do not listen in class will not play outside during recess.
A decree of the imperial diet of the old German empire.
A withdrawing or retiring; a moving back; retreat.
the recess of the tides
The state of being withdrawn; seclusion; privacy.
A place of retirement, retreat, secrecy, or seclusion.
A secret or abstruse part.
the difficulties and recesses of science
A sinus.