Source : Webster's Revised Unabridged Dictionary (1913)

Basset \Bas"set\, v. i. [imp. & p. p. {Basseted}; p. pr. & vb.
   n. {Basseting}.] (Geol.)
   To inclined upward so as to appear at the surface; to crop
   out; as, a vein of coal bassets.

Basseting \Bas"set*ing\, n.
   The upward direction of a vein in a mine; the emergence of a
   stratum at the surface.