Dictionary.com
Thesaurus.com

top-shell

British  

noun

  1. any marine gastropod mollusc of the mainly tropical Old World family Trochidae, having a typically brightly coloured top-shaped or conical shell

"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

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training