equilater
/ˌekwɪˈlætərəl/; /ˌɛkwɪˈlætərəl/Definitions
1. adjective
Having or characterized by three equal sides or angles.
“The equilateral triangle was a key component in the geometric pattern.”
2. adverb
In an equilateral manner; equally or fairly.
“The judge tried to make her verdict equilateral, taking all factors into account.”