The only order having but two wings, the hind pair replaced by a pair of small, slender filaments clubbed at tip, and called Halteres, poisers, or balancers.
"Directions for Collecting and Preserving Insects"
C. V. Riley
If I were talking to an athlete, I should say, Show me your shoulders; and then he might say, Here are my Halteres.
"A Selection from the Discourses of Epictetus With the Encheiridion"
Epictetus
You and your Halteres look to that.
"A Selection from the Discourses of Epictetus With the Encheiridion"
Epictetus