noun (n)

• bird with strong claws and a stiff tail adapted for climbing and a hard chisel-like bill for boring into wood for insects(noun.animal)

  Synonym:
  pecker, peckerwood
  

  source: wordnet30
• Any one of numerous species of scansorial birds belonging to Picus and many allied genera of the family Picidæ.(noun)

  source: webster1913