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

[From New Latin sūctōrius, from Latin sūctus, past participle of sūgere, to suck; see seuə- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. (Biology) specialized for sucking or adhering: the suctorial mouthparts of certain insects.
2. (Biology) relating to or possessing suckers or suction
[C19: from New Latin suctōrius, from Latin sūgere to suck]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(sʌkˈtɔr i əl, -ˈtoʊr-)

1. adapted for sucking or suction, as an organ; functioning as a sucker for imbibing or adhering.
2. having sucking organs; imbibing or adhering by suckers.
[1825–35; < New Latin sūctōri(us) (see suctorian) + -al1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.suctorial - adapted for sucking or clinging by suction
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
In the paddles of the extinct gigantic sea-lizards, and in the mouths of certain suctorial crustaceans, the general pattern seems to have been thus to a certain extent obscured.
Loricariidae are known by their highly specialized way of living in rapid water streams, presenting depressed bodies, staying almost immobilized and using their suctorial discs around their mouths (Casatti and Castro, 2006; Ferreira, 2007).
Perhaps the most distinct characteristic of the group is the presence of joint pelvic fins forming a suctorial disk, used to maintain position under conditions of relatively high flow (Miller et al., 2005).
Suctorial shield pointed posteriorly ...........................................................................
&, PAARMANN, W., 1994.--Graphipterus serrator a myrmecophagous carabid beetles with mandibular suctorial tube in the larva (Coleoptera: Carabidae: Graphipterini): 8-91 (in): DESENDER, K.
hyalina is a suctorial freshwater sit-and-wait predator, feeding mainly on Gastropoda, Isopoda, and Oligochaeta.
Often, Fender collaborated with his mother, who appointed her text with delicate pen-and-ink drawings of, for instance, a certain worm's "suctorial pharynx"--a set of front-end muscles that a predacious worm uses to literally suck its prey toward its digestive glands.
Coxal field III open; genital disc (gdi3) and suctorial shield with radial striations ...........................................
Sacoglossan sea slugs (order Sacoglossa, Mollusca, Gastropoda) are suctorial herbivores that live on the cell sap of macroalgae, with the exception of a few species that feed on diatoms, seagrasses, or animal eggs (Jensen, 1993).