What does the word wren mean?

Usage examples for wren

  1. When the wren sang, " Give us beauty!" – Mopsa the Fairy by Jean Ingelow
  2. " Now, teach me, little blue wren," said he. – The Glugs of Gosh by C. J. Dennis
  3. Lydia, the porch wren, was the only one to take Oswald's bereavement at all decent. – Ma Pettengill by Harry Leon Wilson