Definition of: cruise

(krz) v. cruised, cruis·ing v.i.
1. To sail about on the ocean with no set destination, as for pleasure or in search of plunder.
2. Colloq. To wander about; roam.
3. To move or proceed at a moderate speed, or at the optimum speed for sustained travel: This car cruises at 50 miles per hour.
—v.t.
4. To sail over or about.
5. To proceed aimlessly through or across; wander.
—noun
1. A voyage at sea; a sailing to and fro or from place to place.
2. A cruse. [<Du. kruisen <kruis cross <L crux cross]