Definitions

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

  • adj. Adapted for sucking or clinging by suction: a suctorial organ.
  • adj. Having organs or parts adapted for sucking or clinging.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Adapted for sucking; living by sucking.
  • adj. Capable of adhering by suction.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Adapted for sucking; living by sucking.
  • adj. Capable of adhering by suction.

from The Century Dictionary and Cyclopedia

  • Adapted for sucking; functioning as a sucker or sucking-organ of any kind: sucking: haustellate: as, the suctorial mouth of a lamprey, the suctorial tongue (antlia) of a butterfly or moth; the suctorial proboscis of a flea; the suctorial disk of a sucking-fish, an octopod, a leech; the suctorial facets of a trematoid worm; the suctorial tentacles of an infusorian.
  • Capable of sucking; fitted for imbibing fluid or for adhering by means of suckers: provided with a sucking-organ, whether for imbibing or for adhering; of or pertaining to the Suctoria, in any sense: as, a suctorial bird, fish, worm, insect, crustacean, or animalcule.

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

  • adj. adapted for sucking or clinging by suction

Etymologies

From New Latin sūctōrius, from Latin sūctus, past participle of sūgere, to suck; see seuə-2 in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Latin sugere, suctum, to suck. (Wiktionary)

Examples

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