1. 
2. 
[syn: splintery, slivery]
The Collaborative International Dictionary of English v.0.48:
Splintery \Splin"ter*y\ (spl[i^]n"t[~e]r*[y^]), a.
   Consisting of splinters; resembling splinters; as, the
   splintery fracture of a mineral.
   [1913 Webster]
WordNet (r) 3.0 (2006):
splintery
    adj 1: subject to breaking into sharp slender pieces
    2: resembling or consisting of or embedded with long slender
       fragments of (especially) wood having sharp points; "a rough
       splintery floor of old pine boards" [syn: splintery,
       slivery]