reverse rotation of a ball causing it to bounce or roll backward or stop short.
(sport) a backward spinning motion imparted to a ball to reduce its speed at impact, as by hitting it with a downward or undercutting motion Compare topspin
paneling, as that attached to the back of a stovetop or to the wall behind a kitchen countertop, to protect against splashed liquids.
a knot for finishing a rope end neatly, beginning with a crown and proceeding in a series of tucks, each strand over the first adjoining strand and under the next, the strands being split in half at each tuck. to make a backsplice in (a rope end).
to attempt to discredit (a person) by underhanded means, as innuendo, accusation, or the like. Contemporary Examples They bicker and backstab and yell—and there is quite a bit of yelling. Why ‘It’s Always Sunny’ Is Funny: An Examination of Scenes, Stripped of Context Caitlin Dickson November 9, 2013
- Back staff
an obsolete instrument for determining the altitude of the sun by facing away from the sun, sighting upon the horizon, adjusting a cursor until its shadow falls upon the sight through which the horizon appears, and measuring the resulting arc.