Elaphe obsoleta
         n 1: large harmless shiny black North American snake [syn:
               {black rat snake}, {blacksnake}, {pilot blacksnake},
               {mountain blacksnake}, {Elaphe obsoleta}]

English Dictionary: Elaphe obsoleta	by the DICT Development Group
From WordNet (r) 3.0 (2006) [wn]:
elbow bone n the inner and longer of the two bones of the human forearm Synonym(s): ulna, elbow bone
From WordNet (r) 3.0 (2006) [wn]:
elbow pad n protective garment consisting of a pad worn over the elbow by football and hockey players
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Elbowboard \El"bow*board`\, n.       The base of a window casing, on which the elbows may rest.