Capable of or designed for incising, shearing, or severing: a cutting tool. Sharply penetrating; piercing: a cutting wind. Injuring or capable of injuring the feelings of others: a cutting remark. See Synonyms at incisive. A part cut off from a main body. A part, such as a stem, leaf, or root, removed from a plant to propagate a new plant, as through rooting or grafting. An excavation made through high ground in a construction project. The editing of film or recording tape. Chiefly British A clipping, as from a newspaper.