Definitions

from The Century Dictionary.

  • In botany, three-grooved; three-furrowed.
  • In zoöl, tridactyl; divided into three digits or hoofs: as, a trisulcate foot. Compare bisulcate.

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

  • adjective Having three furrows, forks, or prongs; having three grooves or sulci; three-grooved.

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

  • adjective Having three sulci or grooves.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

tri- +‎ sulcate

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