noun.
Any of numerous insects of the order Hymenoptera, including the bees, wasps, ants, and sawflies, often living in complex social groups and characteristically having two pairs of membranous wings.
The Century Dictionary and Cyclopedia
Same as hymenopter.
the GNU version of the Collaborative International Dictionary of English
noun.
Any insect of the order Hymenoptera; the bees, wasps and ants etc.
adjective.
Characteristic of these insects
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
insects having two pairs of membranous wings and an ovipositor specialized for stinging or piercing
Word Usage
"Nor has a single example come to light from among the 4,000 known hymenopteran sawflies and horntails, even though their larvae often form dense cooperative aggregations."