(mountaineering) a metal grip that is threaded on a rope and can be alternately tightened and slackened as an aid to climbing the rope: used attached to slings for the feet and waist Also called ascender


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  • Ascending

    moving upward; rising. Botany. growing or directed upward, especially obliquely or in a curve from the base. to move, climb, or go upward; mount; rise: The airplane ascended into the clouds. to slant upward. to rise to a higher point, rank, or degree; proceed from an inferior to a superior degree or level: to ascend […]

  • Ascending artery

    ascending artery ascending artery as·cend·ing artery (ə-sěn’dĭng) n. The branch of the ileocolic artery that communicates with a branch of the colic artery and supplies the ascending colon.

  • Ascending colon

    the first portion of the colon, beginning at the cecum in the lower right abdominal cavity and continuing upward along the right posterior abdominal wall to approximately the lower ribs. Historical Examples Several cases of recovery from wounds of the cæcum and ascending colon are recounted below. Surgical Experiences in South Africa, 1899-1900 George Henry […]

  • Ascending degeneration

    ascending degeneration ascending degeneration n. The degeneration of nerve fibers progressing toward the spinal cord or brain from the point of injury.

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