Merriam-Webster Collegiate Dictionary - street

 I. noun  Etymology: Middle English strete, from Old English str?t, from Late Latin strata paved road, from Latin, feminine of stratus, past participle — more at stratum  Date: before 12th century  1.  a. a thoroughfare especially in a city, town, or village that is wider than an alley or lane and that usually includes sidewalks  b. the part of a ~ reserved for vehicles  c. a thoroughfare with abutting property lives on a fashionable ~  2. the people occupying property on a ~ the whole ~ knew about the accident  3. a promising line of development or a channeling of effort a crafty politician working both sides of the ~ success through compromise is a two-way ~  4. capitalized  a. a district (as Wall Street or Fleet Street) identified with a particular profession  b. the people who work in such a district doing better than the Street expected  5. an environment (as in a depressed neighborhood or section of a city) of poverty, dereliction, or crime grew up on the mean ~s  II. adjective  Date: 15th century  1. of or relating to the ~s: as  a. adjoining or giving access to a ~ the ~ door  b. carried on or taking place in the ~ ~ fighting  c. living or working on the ~s a ~ peddler ~ people  d. located in, used for, or serving as a guide to the ~s a ~ map  e. performing in or heard on the ~ a ~ band  f.  (1) suitable for wear or use on the ~ ~ clothes  (2) not touching the ground — used of a woman's dress in lengths reaching the knee, calf, or ankle  g. of, relating to, or characteristic of the ~ environment ~ drugs used…his new ~ cred to develop contacts — Dale Keiger  2. retail the ~ price