Suc‐to″ri‐al (?), a. [L. sugere, suctum, to suck.] 1. (Zoöl.) Adapted for sucking; living by sucking; as, the humming birds are suctorial birds.
2. (Zoöl.) Capable of adhering by suction; as, the suctorial fishes.
Webster's Dictionary 1913
Suc‐to″ri‐al (?), a. [L. sugere, suctum, to suck.] 1. (Zoöl.) Adapted for sucking; living by sucking; as, the humming birds are suctorial birds.
2. (Zoöl.) Capable of adhering by suction; as, the suctorial fishes.