/yooh"neuh verrs'/ , n.
1. the totality of known or supposed objects and phenomena throughout space; the cosmos; macrocosm.
2. the whole world, esp. with reference to humanity: a truth known throughout the universe.
3. a world or sphere in which something exists or prevails: his private universe.
4. Also called universe of discourse . Logic. the aggregate of all the objects, attributes, and relations assumed or implied in a given discussion.
5. Also called universal set . Math. the set of all elements under discussion for a given problem.
6. Statistics. the entire population under study.
[ 1325-75; ME univers universum, n. use of neut. of universus entire, all, lit., turned into one, equiv. to uni- UNI- + versus (ptp. of vertere to turn) ]