Толковый словарь английского языка Oxford English Reference - hem

1. n. & v. --n. the border of a piece of cloth, esp. a cut edge turned under and sewn down. --v.tr. (hemmed, hemming) turn down and sew in the edge of (a piece of cloth etc.). Phrases and idioms hem in confine; restrict the movement of. Etymology: OE, perh. rel. to dial. ham enclosure 2. int., n., & v. --int. calling attention or expressing hesitation by a slight cough or clearing of the throat. --n. an utterance of this. --v.intr. (hemmed, hemming) say hem; hesitate in speech. Phrases and idioms hem and haw = hum and haw (see HUM(1)). Etymology: imit.