cultellus

[kuhl-tel-uh s]
noun, plural cul·tel·li [kuhl-tel-ahy] /kʌlˈtɛl aɪ/. Zoology.
  1. a sharp, knifelike structure, as the mouthparts of certain bloodsucking flies.

Origin of cultellus

1895–1900; < Latin: diminutive of culter knife, colter; for formation, see castellum
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Historical Examples of cultellus