bisymmetric
/ˌbɪsɪmˈɛtrɪk/ or /ˌbaɪsɪmˈɛtrɪk/Definitions
1. adjective
Having two axes of symmetry, especially in a plane figure or shape.
“The bisymmetric design of the new aircraft resulted in improved aerodynamics.”
2. noun
A shape or figure that has two axes of symmetry.
“The mathematician studied the properties of bisymmetric shapes in her research paper.”