Definitions for "Nodding"
Keywords:  drooping, bent, apex, downward, hangs
Curved so that the apex hangs down; having the top bent downward.
having branches or flower heads that bend downward; "nodding daffodils"; "the pendulous branches of a weeping willow"; "lilacs with drooping panicles of fragrant flowers"
Hanging or bent to the side, as in the tip of a grass flowerhead that is not erect.
Keywords:  unweight, lame, bobbing, horse, leg
Nodding or bobbing the head is often an indication of lameness. The horse will use his head to help unweight a lame leg.
Keywords:  telescope, sky, entire, moving, source
moving entire telescope between source+sky and sky
Keywords:  down
Could be up, could be down