Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun An elaterid beetle.
  • noun 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.

from The Century Dictionary.

  • noun One who or that which elates.
  • noun Elasticity; especially, the expansibility of a gas.
  • noun [NL.] In botany: One of the four clubshaped filaments of Equisetaceæ, attached at one point to a spore, formed by the splitting of the outer coat of the spore.
  • noun One of the long and slender fusiform cells of Hepaticæ having one or more spiral thickenings within. They loosen the spores in the capsule at the time of their dispersion.
  • noun One of the similar free filaments of Myxomycetes forming part of the capillitium, and frequently having spiral thickenings. They are sometimes furnished with spines. Their characters are useful in distinguishing species.
  • noun [NL.] In entomology: [capitalized] The typical genus of the family Elateridæ, founded by Linnæus in 1767.
  • noun One of the Elateridæ; a click-beetle.
  • noun One of the elastic bristles at the end of the abdomen of the Poduridæ. A. S. Packard. See spring.

from the GNU version of the Collaborative International Dictionary of English.

  • noun One who, or that which, elates.
  • noun (Chem.) The active principle of elaterium, being found in the juice of the wild or squirting cucumber (Ecballium agreste, formerly Motordica Elaterium) and other related species. It is extracted as a bitter, white, crystalline substance, which is a violent purgative.
  • noun (Bot.) An elastic spiral filament for dispersing the spores, as in some liverworts.
  • noun (Zoöl.) Any beetle of the family Elateridæ, having the habit, when laid on the back, of giving a sudden upward spring, by a quick movement of the articulation between the abdomen and thorax; -- called also click beetle, spring beetle, and snapping beetle.
  • noun (Zoöl.) The caudal spring used by Podura and related insects for leaping. See Collembola.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun That which elates.
  • noun obsolete Elasticity; especially the expansibility of a gas.
  • noun botany A long, slender cell produced among spores and having hygroscopic secondary cell wall thickenings.
  • noun botany Any of the long, slender hygroscopic appendages attached to the spores of horsetails (genus Equisetum).
  • noun zoology An elaterid, or click beetle.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun any of various widely distributed beetles

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Greek elatēr, driver, from elaunein, to drive.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

elate +‎ -er

from Wiktionary, Creative Commons Attribution/Share-Alike License

From New Latin elater, from Ancient Greek ἐλατήρ (elater, "driver, that which drives away")

Examples

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