'Splintery' definitions:

Definition of 'splintery'

(from WordNet)
adjective
Subject to breaking into sharp slender pieces
adjective
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]

Definition of 'Splintery'

From: GCIDE
  • 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]