Merriam-Webster Collegiate Dictionary - cruise

 I. verb  (~d; cruising)  Etymology: Dutch kruisen to make a cross, ~, from Middle Dutch crucen, from cruce cross, from Latin cruc-, crux  Date: 1651  intransitive verb  1. to sail about touching at a series of ports  2. to move or proceed speedily, smoothly, or effortlessly I'll ~ over to her house to see if she's home  3. to travel without destination or purpose  4.  a. to go about the streets at random but on the lookout for possible developments the cabdriver ~d for an hour before being hailed  b. to search (as in public places) for a sexual partner  5.  a. of an airplane to fly at the most efficient operating speed  b. of an automobile to travel at a speed suitable for being maintained for a long distance  6. to explore or search the offerings of; especially surf ~ the Internet  transitive verb  1. to ~ over or about  2. to inspect (as land) with reference to possible lumber yield  3.  a. to search in (a public place) for a sexual partner  b. to approach and suggest sexual relations to  II. noun  Date: 1696 an act or an instance of cruising; especially a tour by ship