Definition (full): a cover, a tankard, white frost
Strong's Exhaustive Concordance
From kaphar; properly, a cover, i.e. (by implication) a tankard (or covered goblet); also white frost (as covering the ground) -- bason, hoar(-y) frost.
KJV: And when the dew that lay was gone up, behold, upon the face of the wilderness there lay a small round thing, as small as the hoar frost on the ground.
NASB: When the layer of dew evaporated, behold, on the surface of the wilderness there was a fine flake-like thing, fine as the frost on the ground.
KJV: Also pure gold for the fleshhooks, and the bowls, and the cups: and for the golden basons he gave gold by weight for every bason; and likewise silver by weight for every bason of silver:
NASB: and the forks, the basins, and the pitchers of pure gold; and for the golden bowls with the weight for each bowl; and for the silver bowls with the weight for each bowl;