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uk â /hem/ us â /hem/. âº the edge of a piece of cloth, such as the bottom edge of a skirt or dress, that is folded over and sewn so that it does not develop loose threads: I took the hem up/let the hem down. Thesaurus: synonyms and related words. Parts of clothes.
hema-. Also found in: Dictionary, Encyclopedia. hem-. , hema- (hÄm, hem), Although U.S. spelling practice favors this abridgment of the romanized combining form haem- based on Greek haima, the diphthongal spelling must be preserved in taxonomic terms such as Haemophilus. Blood.