noun one who, or that which, elates.
2. elater ·noun an elastic spiral filament for dispersing the spores, as in some liverworts.
3. elater ·noun the caudal spring used by podura and related insects for leaping. ·see collembola.
4. elater ·noun any beetle of the family elateridae, 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.
5. elater ·noun 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.