barnacle

n. 北极雁, 藤壶

形容词:barnacled 

bar.na.cle

n.（名词）
Any of various marine crustaceans of the subclass Cirripedia that in the adult stage form a hard shell and remain attached to submerged surfaces, such as rocks and ships` bottoms.
藤壶：一种蔓足亚纲的海洋甲壳类动物，成年期形成硬壳且固着在没入水的表层，如岩石和船底
The barnacle goose.
黑雁，北极雁

来源：
Middle English [barnacle goose]
中古英语 [黑雁]
from Old French bernacle
源自 古法语 bernacle
from Medieval Latin bernacula
源自 中世纪拉丁语 bernacula
[diminutive of] bernaca
[] bernaca的小后缀
perhaps from Old Irish báirneach [limpet]
可能源自 古爱尔兰语 báirneach [帽贝]

【引伸】
bar.nacled
adj.（形容词）