barnacle
Word family nounbarnacleadjectivebarnacled
bar·na·cle /ˈbɑːnəkəl $ ˈbɑːr-/ noun [countableC] HBATTWa small sea animal with a hard shell that sticks firmly to rocks and the bottom of boats 藤壶〔附在岩石、船底的甲壳类动物〕 Origin barnacle (1500-1600) barnacle type of goose ((12-21 centuries)), from Medieval Latin bernaca; from the former belief that the goose was born from a barnacle