satchel n 1: luggage consisting of a small case with a flat bottom and (usually) a shoulder strap
Satchel \Satch"el\n. [OF. sachel, fr. L. saccellus, dim. of saccus. See {Sack} a bag.] A little sack or bag for carrying papers, books, or small articles of wearing apparel; a hand bag. [Spelled also {sachel}.] [1913 Webster] The whining schoolboy with his satchel. --Shak. [1913 Webster]