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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.]


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]


(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]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.suctorial - adapted for sucking or clinging by suction
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.
Suctorial shield concave antero-medially, 44 long,51 wide, I pair anterior suckers, I pair anal suckers,2 pairs each of lateral and posterior suckers (Fig.
Graphipterus serrator a myrmecophagous carabid beetles with mandibular suctorial tube in the larva (Coleoptera: Carabidae: Graphipterini): 8-91 (in): DESENDER, K.
If the female responded aggressively, the male suddenly fastened himself to her body using suctorial organs (Cushing et al.
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).
Solifugids were omitted from this analysis because they easily escape pitfall traps using the suctorial organs on their pedipalps (Cushing et al.