elater

詳細解釋：

el.a.ter

n.（名詞）
An elaterid beetle.
叩頭蟲
Botany A tiny elongated structure that forces the dispersal of spores by the absorption of moisture. It is either a band attached to the spore, as in horsetails, or a filament occurring among the spores, as in liverworts.
【植物學】 彈絲：一條小長絲結構，通過吸收水分促使孢子分裂。可以是連線到孢子上的一個絲圈，如長在杉葉藻內的，也可以是各孢子間的一條長絲，如在苔蘚內的

來源：
Greek elatôr [driver]
希臘語 elatôr [驅使]
from elaunein [to drive]
源自 elaunein [驅使，促使]