Meanings
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1
adj
adapted for drawing in food or liquid by sucking
The insect used its suctorial mouthparts to feed on plant sap.
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2
adj
adapted for attachment or movement by means of suction
The crustacean's suctorial appendages helped it cling to its host.
Thesaurus
Etymology
From New Latin suctorius, based on Latin suctus, the past participle of sugere, 'to suck,' plus -al. Zoologists use the adjective for organs and animals specialized either for feeding by suction or for adhering with suckers.