Definitions

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

  • adj. Bearing or covered with spines or bristles; prickly.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. prickly; bristly

from the GNU version of the Collaborative International Dictionary of English

  • adj. Set with prickles; prickly, like a hedgehog; bristled.

from The Century Dictionary and Cyclopedia

  • Spiny, like a hedgehog; bristling with sharp points; bristly.
  • To project at an acute angle to the axis of (a fiber), giving it a feathery or plumed appearance: said of the spicules in the axinellid type of sponge skeleton.
  • To project at an acute angle to the axis of a fiber: said of the spicules in a sponge skeleton.

Etymologies

Latin echinatus. (Wiktionary)

Examples

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  • Bearing or covered with spines or bristles; prickly.

    September 23, 2009