Source : Webster's Revised Unabridged Dictionary (1913)

Shore \Shore\, v. t. [imp. & p. p. {Shored}; p. pr. & vb. n.
   {Shoring}.] [OE. schoren. See {Shore} a prop.]
   To support by a shore or shores; to prop; -- usually with up;
   as, to shore up a building.