barnacle
Pronunciation
[change]Noun
[change]![](http://upload.wikimedia.org/wikipedia/commons/thumb/b/bf/Anim1032_-_Flickr_-_NOAA_Photo_Library.jpg/220px-Anim1032_-_Flickr_-_NOAA_Photo_Library.jpg)
- (countable) A sea crustacean of the subclass cirripedia that attaches itself to surfaces in water like tidal rocks or ships.
- The barnacle attached itself to the submarine while it came up on top of the water.