acorn barnacle

noun

Any of several species of stalkless barnacles in the genus Balanus.

Similar
rock barnacleBalanus balanoides
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Meanings

nounacorn barnacle (plural acorn barnacles)

plural acorn barnacles

  1. Any of several species of stalkless barnacles in the genus Balanus.
  2. Any barnacle in the order Sessilia.

Synonyms & antonyms

nounbarnacle that attaches to rocks especially in intertidal zones

Similar
rock barnacleBalanus balanoides
Broader
barnaclecirripedcirripede
Also see
rock barnacle

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From its shape.

Full word history & related roots →

Translations

French balane
  • balanestalkless barnacle
Italian balano
  • balanostalkless barnacle
Cite this entry
APA

acorn barnacle. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/acorn%20barnacle

MLA

“acorn barnacle.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/acorn%20barnacle. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “acorn barnacle,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/acorn%20barnacle.

Source: acorn barnacle on Wiktionary, CC BY-SA 4.0.