Merriam-Webster Collegiate Dictionary - narrow

 I. adjective  Etymology: Middle English narowe, from Old English nearu; akin to Old High German narwa scar  Date: before 12th century  1.  a. of slender width a long and ~ room  b. of less than standard or usual width a ~ sidewalk  c. of a textile woven in widths usually less than 18 inches (46 centimeters)  2. limited in size or scope a ~ interpretation  3.  a. illiberal in views or disposition ; prejudiced  b. chiefly dialect stingy, niggardly  4.  a. barely sufficient ; close won by a ~ margin  b. barely successful a ~ escape  5. minutely precise ; meticulous a ~ inspection  6. of an animal ration relatively rich in protein as compared with carbohydrate and fat  7. tense 3  • ~ly adverb  • ~ness noun  II. verb  Date: before 12th century  transitive verb  1. to decrease the breadth or extent of ; contract — often used with down  2. to decrease the scope or sphere of ; limit — often used with down ~ down the choices  intransitive verb to lessen in width or extent ; contract — often used with down  III. noun  Date: 13th century a ~ part or passage; specifically a strait connecting two bodies of water — usually used in plural but sing. or plural in constr.