Definitions

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

  • adjective Having the shape of a needle.

from The Century Dictionary.

  • Having the shape of a slender needle or stout bristle; having a sharp point like a needle: as, an acicular prism, like those of stibnite; an acicular bill, as that of a humming-bird. Other forms are aciculate, aciculated, aciculiform, and aciculine.

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

  • adjective Needle-shaped; slender like a needle or bristle, as some leaves or crystals; also, having sharp points like needles.

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

  • adjective Needle-shaped; slender like a needle or bristle.
  • adjective Having sharp points like needles.

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

  • adjective narrow and long and pointed; as pine leaves

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Latin acicula.

Examples

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