IAA
noun
1.
a plant hormone promoting elongation of stems and roots
2.
Yemen-based terrorist group that supports al-Qaeda''s goals; seeks to overthrow the Yemeni government and eliminate United States interests; responsible for bombings and kidnappings and killling Western tourists in Yemen
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Broader terms
WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.