elater

elater

[el-uh-ter]
noun
1.
Botany. an elastic filament serving to disperse spores.
2.
Zoology, elaterid.
3.
Obsolete, elasticity.

Origin:
1645–55; < Neo-Latin < Greek elatḗr driver, equivalent to ela- (stem of elaúnein to drive; see elastic) + -tēr noun suffix

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World English Dictionary
elater (ˈɛlətə)
 
n
1.  an elaterid beetle
2.  botany a spirally thickened filament, occurring in liverwort capsules and horsetails, thought to aid dispersal of spores
 
[C17: via New Latin from Greek: driver, from elaunein to beat, drive; compare elastic]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
elater   (ěl'ə-tər)  Pronunciation Key 
A tiny elongated structure that helps disperse plant spores by coiling and uncoiling in response to changes in humidity. The elaters of horsetails are bands attached to the spore wall, while those of liverworts are sterile cells occurring among the spores.
The American Heritage® Science Dictionary
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