- 15th century
: to make a cluck
: to make a clicking sound with the tongue
: to express interest or concern <critics clucked over the new developments>
: to call with a cluck
: to express with interest or concern
cluck. (2008). In Merriam-Webster Online Dictionary.
Retrieved May 15, 2008, from http://www.merriam-webster.com/dictionary/cluck