Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A geode of chalcedony containing trapped water.

from the GNU version of the Collaborative International Dictionary of English

  • n. A variety of chalcedony containing water.

from The Century Dictionary and Cyclopedia

  • n. A geode of translucent chalcedony containing water.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Ancient Greek.

Examples

  • Our pal Isidore of Seville says The enhydros is a small animal; it gets its name because it lives in water, specifically the Nile river.

    A Very Special WMAM Christmas

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