• Webster's Revised Unabridged Dictionary
    • n Siphonet (Zoöl) One of the two dorsal tubular organs on the hinder part of the abdomen of aphids. They give exit to the honeydew. See Illust. under Aphis.
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Century Dictionary and Cyclopedia
    • n siphonet In entomology, one of the two tubes on the upper surface of the abdomen of an aphis from which honeydew exudes; a honey-tube. Also called siphunculus.
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In literature:

Siphonets: see honey tubes.
"Explanation of Terms Used in Entomology" by John. B. Smith