Etymology: Middle English, from Old English climban; probably akin to Old English clifian to adhere — more at cleave
Date: before 12th century
a. to go upward with gradual or continuous progress ; rise, ascend <watching the smoke climb> b. to increase gradually <prices are continuing to climb> c. to slope upward <a climbing path> 2. a. to go upward or raise oneself especially by grasping or clutching with the hands <climbed aboard the train> b. of a plant to ascend in growth (as by twining) 3. to go about or down usually by grasping or holding with the hands <climb down the ladder> 4. to get into or out of clothing usually with some haste or effort <the firefighters climbed into their clothes> transitive verb 1. to go upward on or along, to the top of, or over <climb a hill> 2. to draw or pull oneself up, over, or to the top of by using hands and feet <children climbing the tree> 3. to grow up or over <ivy climbing the wall> • climbable adjective II. noun Date: circa 1587 1. a place where climbing is necessary to progress 2. the act or an instance of climbing ; rise, ascent
New Collegiate Dictionary. 2001.