Dictionary.com
Thesaurus.com

dishcloth gourd

British  

noun

  1. any of several tropical climbing plants of the cucurbitaceous genus Luffa, esp L. cylindrica, which is cultivated for ornament and for the fibrous interior of its fruits See loofah

  2. the fruit of any of these plants

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012