acid gland
From ZooTerms (Dictionary of Invertebrate Zoology)
acid gland also poison gland: 1. Any of numerous glands secreting acid in many invertebrates.
2. (Arthropoda: Chelicerata) In Araneae, the poison gland.
3. (Arthropoda: Diplopoda) The HCN-secreting glands.
4. (Arthropoda: Insecta) Gland of stinging Hymenoptera.
5. (Mollusca: Gastropoda) The salivary gland
