oyster crab


: a tiny crab (Pinnotheres ostreum) that lives as a commensal in the gill cavity of the oyster

Word History

First Known Use

1756, in the meaning defined above

Time Traveler
The first known use of oyster crab was in 1756

Dictionary Entries Near oyster crab

Cite this Entry

“Oyster crab.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oyster%20crab. Accessed 22 Jul. 2024.

More from Merriam-Webster on oyster crab

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!