Look up: purr

1. 
   purr
   [n] - a low vibrating sound typical of a contented cat 2. [v] - indicate pleasure by purring
   Found on http://www.webdictionary.co.uk/definitio
   
   
2. 
   purr
   while the lion and other big cats (Panthera species) roar, the domestic cat and other species purr. Purring...has been interpreted as an expression of pleasure or contentment. Category: agriculture, fisheries, forestry - food processing industries • ..she displayed her gratitude with -- of thanks, rolling over on her poor bony little back....When contented and occasionally when jungry ...
   Found on http://www.mijnwoordenboek.nl/definition
   
   
3. 
   Purr
   Purr intransitive verb & t. To murmur as a cat. See Pur .
   Found on http://www.encyclo.co.uk/webster/P/199
   
   
4. 
   Purr
   Purr noun The low murmuring sound made by a cat; pur. See Pur .
   Found on http://www.encyclo.co.uk/webster/P/199
   
   
5. 
   purr
   A low vibratory murmur. ... Synonym: fremissement cattaire. ... (05 Mar 2000) ...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
6. 
   purr
   noun a low vibrating sound typical of a contented cat
   Found on http://wordnet.princeton.edu/perl/webwn?
   
   
7. 
   Purr
   A `purr` is a sound made by some species of felines and is a part of cat communication. It varies in detail from cat to cat (e.g., loudness, tone, etc.), and from species to species, but can be characterized as a sort of tonal buzzing. All domestic cats purr in a frequency range of 22.4 to 30.2 hertz. Some cats purr so strongly that their entire bodies vibrate; conversely, other cats may purr so quietly that the only indication is a vibration fel...
   Found on http://en.wikipedia.org/wiki/Purr
   
   
8. 
   Purr
   • (n.) The low murmuring sound made by a cat; pur. See Pur. • (v. i. & t.) To murmur as a cat. See Pur.
   Found on http://thinkexist.com/dictionary/meaning