Longman Dictionary of Contemporary English homepage

Date: 1500-1600
Origin: barnacle type of goose (12-21 centuries), from Medieval Latin bernaca; from the former belief that the goose was born from a barnacle

barnacle

 noun
     
Related topics: Biology, Animals, Water
bar‧na‧cle [countable]
HBATTW a small sea animal with a hard shell that sticks firmly to rocks and the bottom of boats
Definition from the Longman Dictionary of Contemporary English
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