Look up barnacle in Wiktionary, the free dictionary.

A barnacle is an arthropod belonging to the infraclass Cirripedia in the subphylum Crustacea.

Barnacle may also refer to:

In biology and medicine:

• Barnacle (slang), a noncancerous benign skin growth that originates in keratinocytes
• Barnacle Goose, a species of bird

In technology:

• Barnacle (slang), an electronic part manually installed onto a printed circuit board to correct a functional deficiency
• Barnacle, an unwanted program that usually gets downloaded into the users computer without his knowledge; see also malware and spyware

In entertainment:

• Barnacle Boy, a Spongebob Squarepants character
• Barnacle, an alien species in the computer game Half-Life
• Barnacle, a mutant character from the X-Men universe of Marvel Comics
• Barnacles, a song by Ugly Casanova from their 2002 album Sharpen Your Teeth

People with the surname Barnacle:

• Mike Barnicle, American journalist
• Nora Barnacle, wife of author James Joyce
• Pete Barnacle, a drummer for a variety of bands

Other uses:

• The Barnacle Historic State Park
• Barnacle tree, a mythical plant
• Barnacle, a slang expression for someone who stays at the same job for some period of time, from Wobbly lingo
• Barnacle, a political term used to describe the relationship between the Vice President of the United States and the Legislative Branch of government

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