• WordNet 3.6
    • adj suctorial adapted for sucking or clinging by suction
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Webster's Revised Unabridged Dictionary
    • Suctorial (Zoöl) Adapted for sucking; living by sucking; as, the humming birds are suctorial birds.
    • Suctorial (Zoöl) Capable of adhering by suction; as, the suctorial fishes.
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Century Dictionary and Cyclopedia
    • suctorial 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.
    • suctorial 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.
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Chambers's Twentieth Century Dictionary
    • adj Suctorial adapted for sucking: living by sucking—also Suctō′rious
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Webster's Revised Unabridged Dictionary
L. sugere, suctum, to suck


In literature:

The suctorial tube-feet are seen gripping the fish firmly.
"The Outline of Science, Vol. 1 (of 4)" by J. Arthur Thomson
The mouth is minute and the pharynx is always suctorial, never gizzard-like.
"Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3" by Various
DIS'TOMUM, a genus of trematode or suctorial parasitic worms or flukes, infesting various parts in different animals.
"The New Gresham Encyclopedia" by Various
Mandibles present in pupa, vestigial in imago; maxillae suctorial without specialization; first maxillae with lacinia, galea and palp.
"Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4" by Various
The mouth parts are adapted for piercing, and are enclosed in a suctorial proboscis.
"The Life of Crustacea" by William Thomas Calman
In the thorax the yolk is anteriorly divided into two lobes by the vertical septum, which contains the vertical muscle of the suctorial pouch.
"The Works of Francis Maitland Balfour, Volume 1" by Francis Maitland Balfour