[1] : The Collaborative International Dictionary of English v.0.48

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.
   1913 webster
see also:
shored shoring shore 

[2] : The Collaborative International Dictionary of English v.0.48

shoring \shor"ing\, n.
   1. the act of supporting or strengthening with a prop or
      shore.
      1913 webster

   2. a system of props; props, collectively.
      1913 webster shorl

[3] : WordNet (r) 2.0

shoring
     n 1: a beam or timber that is propped against a structure to
          provide support syn: shore
     2: the act of propping up with shores syn: shoring up, propping
        up
see also:
shore shoring up propping up 

Shoring >> S Words
Shoring, definition of term: Shoring
shoring_pag1.html

Shoring Up >> S Words
Shoring Up, definition of term: Shoring Up
shoring+up_pag1.html