Merriam-Webster Collegiate Dictionary - hem

 I. noun  Etymology: Middle English, from Old English; akin to Middle High German ~men to ~ in, Armenian kamel to press  Date: before 12th century  1. a border of a cloth article doubled back and stitched down  2. rim, margin bright green ~ of reeds about the ponds — R. M. Lockley  II. verb  (~med; ~ming)  Date: 14th century  transitive verb  1.  a. to finish with a ~  b. border, edge  2. to surround in a restrictive manner ; confine — usually used with in ~med in by enemy troops  intransitive verb to make a ~ in sewing  • ~mer noun  III. intransitive verb  (~med; ~ming)  Date: 15th century  1. to utter the sound represented by ~ ~med and hawed before answering  2. equivocate the administration ~med and hawed over the students' demands  IV. interjection  Etymology: imitative — often used to indicate a vocalized pause in speaking