Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

shipworm

play
noun ship·worm \-ˌwərm\

Definition of shipworm

  1. :  any of various marine clams (especially family Teredinidae) that have a shell used for burrowing in submerged wood and a wormlike body and that cause damage to wharf piles and wooden ships



Circa 1778

First Known Use of shipworm

circa 1778


Learn More about shipworm


Seen and Heard

What made you want to look up shipworm? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 11, 2016

the holder of an office

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

2.2 pounds 100 pounds 16.96 pounds 196.5 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ